Home / 22,865.56-31,555.04-12,793.92

Finding the Fourth Proportional to 22,865.56, 31,555.04 and 12,793.92

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Solution

The fourth proportional to 22,865.56, 31,555.04 and 12,793.92 is: 17,655.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,865.56 : 31,555.04 = 12,793.92 : x
  2. Step 2: Convert to fraction form
    22,865.56/31,555.04 = 12,793.92/x
  3. Step 3: Cross multiply
    22,865.56x = 31,555.04 × 12,793.92
  4. Step 4: Simplify right side
    22,865.56x = 403,712,475.06
  5. Step 5: Solve for x
    x = 403,712,475.06/22,865.56
  6. Step 6: Final answer
    x = 17,655.92

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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.