Home / 21,232.08-29,298.30-11,798.82

Finding the Fourth Proportional to 21,232.08, 29,298.30 and 11,798.82

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Solution

The fourth proportional to 21,232.08, 29,298.30 and 11,798.82 is: 16,281.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.08 : 29,298.30 = 11,798.82 : x
  2. Step 2: Convert to fraction form
    21,232.08/29,298.30 = 11,798.82/x
  3. Step 3: Cross multiply
    21,232.08x = 29,298.30 × 11,798.82
  4. Step 4: Simplify right side
    21,232.08x = 345,685,368.01
  5. Step 5: Solve for x
    x = 345,685,368.01/21,232.08
  6. Step 6: Final answer
    x = 16,281.28

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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.