Home / 29,292.91-40,424.19-15,864.16

Finding the Fourth Proportional to 29,292.91, 40,424.19 and 15,864.16

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Solution

The fourth proportional to 29,292.91, 40,424.19 and 15,864.16 is: 21,892.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,292.91 : 40,424.19 = 15,864.16 : x
  2. Step 2: Convert to fraction form
    29,292.91/40,424.19 = 15,864.16/x
  3. Step 3: Cross multiply
    29,292.91x = 40,424.19 × 15,864.16
  4. Step 4: Simplify right side
    29,292.91x = 641,295,818.03
  5. Step 5: Solve for x
    x = 641,295,818.03/29,292.91
  6. Step 6: Final answer
    x = 21,892.53

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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.