Home / 22,989.92-31,722.24-13,560.34

Finding the Fourth Proportional to 22,989.92, 31,722.24 and 13,560.34

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Solution

The fourth proportional to 22,989.92, 31,722.24 and 13,560.34 is: 18,711.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,989.92 : 31,722.24 = 13,560.34 : x
  2. Step 2: Convert to fraction form
    22,989.92/31,722.24 = 13,560.34/x
  3. Step 3: Cross multiply
    22,989.92x = 31,722.24 × 13,560.34
  4. Step 4: Simplify right side
    22,989.92x = 430,164,359.96
  5. Step 5: Solve for x
    x = 430,164,359.96/22,989.92
  6. Step 6: Final answer
    x = 18,711.00

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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.