Home / 29,354.13-40,508.87-15,925.41

Finding the Fourth Proportional to 29,354.13, 40,508.87 and 15,925.41

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Solution

The fourth proportional to 29,354.13, 40,508.87 and 15,925.41 is: 21,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,354.13 : 40,508.87 = 15,925.41 : x
  2. Step 2: Convert to fraction form
    29,354.13/40,508.87 = 15,925.41/x
  3. Step 3: Cross multiply
    29,354.13x = 40,508.87 × 15,925.41
  4. Step 4: Simplify right side
    29,354.13x = 645,120,283.76
  5. Step 5: Solve for x
    x = 645,120,283.76/29,354.13
  6. Step 6: Final answer
    x = 21,977.16

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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.