Home / 21,159.02-29,198.85-11,599.10

Finding the Fourth Proportional to 21,159.02, 29,198.85 and 11,599.10

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Solution

The fourth proportional to 21,159.02, 29,198.85 and 11,599.10 is: 16,006.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,159.02 : 29,198.85 = 11,599.10 : x
  2. Step 2: Convert to fraction form
    21,159.02/29,198.85 = 11,599.10/x
  3. Step 3: Cross multiply
    21,159.02x = 29,198.85 × 11,599.10
  4. Step 4: Simplify right side
    21,159.02x = 338,680,301.04
  5. Step 5: Solve for x
    x = 338,680,301.04/21,159.02
  6. Step 6: Final answer
    x = 16,006.42

Related Problems

Find fourth proportional to 10,579.51, 14,599.42 and 5,799.55
Half scale
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Double scale
Find fourth proportional to 21,160.02, 29,200.23 and 11,600.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.