Home / 22,725.68-31,359.20-16,760.56

Finding the Fourth Proportional to 22,725.68, 31,359.20 and 16,760.56

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Solution

The fourth proportional to 22,725.68, 31,359.20 and 16,760.56 is: 23,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,725.68 : 31,359.20 = 16,760.56 : x
  2. Step 2: Convert to fraction form
    22,725.68/31,359.20 = 16,760.56/x
  3. Step 3: Cross multiply
    22,725.68x = 31,359.20 × 16,760.56
  4. Step 4: Simplify right side
    22,725.68x = 525,597,753.15
  5. Step 5: Solve for x
    x = 525,597,753.15/22,725.68
  6. Step 6: Final answer
    x = 23,127.92

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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.