Home / 29,429.12-40,612.08-16,000.13

Finding the Fourth Proportional to 29,429.12, 40,612.08 and 16,000.13

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Solution

The fourth proportional to 29,429.12, 40,612.08 and 16,000.13 is: 22,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,429.12 : 40,612.08 = 16,000.13 : x
  2. Step 2: Convert to fraction form
    29,429.12/40,612.08 = 16,000.13/x
  3. Step 3: Cross multiply
    29,429.12x = 40,612.08 × 16,000.13
  4. Step 4: Simplify right side
    29,429.12x = 649,798,721.10
  5. Step 5: Solve for x
    x = 649,798,721.10/29,429.12
  6. Step 6: Final answer
    x = 22,080.13

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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.