Home / 29,180.91-40,269.13-16,434.04

Finding the Fourth Proportional to 29,180.91, 40,269.13 and 16,434.04

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Solution

The fourth proportional to 29,180.91, 40,269.13 and 16,434.04 is: 22,678.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,180.91 : 40,269.13 = 16,434.04 : x
  2. Step 2: Convert to fraction form
    29,180.91/40,269.13 = 16,434.04/x
  3. Step 3: Cross multiply
    29,180.91x = 40,269.13 × 16,434.04
  4. Step 4: Simplify right side
    29,180.91x = 661,784,493.19
  5. Step 5: Solve for x
    x = 661,784,493.19/29,180.91
  6. Step 6: Final answer
    x = 22,678.68

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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.