Home / 15,844.98-21,876.40-11,008.74

Finding the Fourth Proportional to 15,844.98, 21,876.40 and 11,008.74

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Solution

The fourth proportional to 15,844.98, 21,876.40 and 11,008.74 is: 15,199.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,844.98 : 21,876.40 = 11,008.74 : x
  2. Step 2: Convert to fraction form
    15,844.98/21,876.40 = 11,008.74/x
  3. Step 3: Cross multiply
    15,844.98x = 21,876.40 × 11,008.74
  4. Step 4: Simplify right side
    15,844.98x = 240,831,599.74
  5. Step 5: Solve for x
    x = 240,831,599.74/15,844.98
  6. Step 6: Final answer
    x = 15,199.24

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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.