Home / 22,462.92-31,003.56-15,398.64

Finding the Fourth Proportional to 22,462.92, 31,003.56 and 15,398.64

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Solution

The fourth proportional to 22,462.92, 31,003.56 and 15,398.64 is: 21,253.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,462.92 : 31,003.56 = 15,398.64 : x
  2. Step 2: Convert to fraction form
    22,462.92/31,003.56 = 15,398.64/x
  3. Step 3: Cross multiply
    22,462.92x = 31,003.56 × 15,398.64
  4. Step 4: Simplify right side
    22,462.92x = 477,412,659.16
  5. Step 5: Solve for x
    x = 477,412,659.16/22,462.92
  6. Step 6: Final answer
    x = 21,253.37

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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.