Home / 29,275.21-40,400.13-16,354.90

Finding the Fourth Proportional to 29,275.21, 40,400.13 and 16,354.90

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Solution

The fourth proportional to 29,275.21, 40,400.13 and 16,354.90 is: 22,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,275.21 : 40,400.13 = 16,354.90 : x
  2. Step 2: Convert to fraction form
    29,275.21/40,400.13 = 16,354.90/x
  3. Step 3: Cross multiply
    29,275.21x = 40,400.13 × 16,354.90
  4. Step 4: Simplify right side
    29,275.21x = 660,740,086.14
  5. Step 5: Solve for x
    x = 660,740,086.14/29,275.21
  6. Step 6: Final answer
    x = 22,569.95

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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.