Home / 15,902.16-21,937.79-10,234.87

Finding the Fourth Proportional to 15,902.16, 21,937.79 and 10,234.87

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Solution

The fourth proportional to 15,902.16, 21,937.79 and 10,234.87 is: 14,119.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902.16 : 21,937.79 = 10,234.87 : x
  2. Step 2: Convert to fraction form
    15,902.16/21,937.79 = 10,234.87/x
  3. Step 3: Cross multiply
    15,902.16x = 21,937.79 × 10,234.87
  4. Step 4: Simplify right side
    15,902.16x = 224,530,428.74
  5. Step 5: Solve for x
    x = 224,530,428.74/15,902.16
  6. Step 6: Final answer
    x = 14,119.49

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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.