Home / 22,658.16-31,233.24-18,459.12

Finding the Fourth Proportional to 22,658.16, 31,233.24 and 18,459.12

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Solution

The fourth proportional to 22,658.16, 31,233.24 and 18,459.12 is: 25,445.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,658.16 : 31,233.24 = 18,459.12 : x
  2. Step 2: Convert to fraction form
    22,658.16/31,233.24 = 18,459.12/x
  3. Step 3: Cross multiply
    22,658.16x = 31,233.24 × 18,459.12
  4. Step 4: Simplify right side
    22,658.16x = 576,538,125.15
  5. Step 5: Solve for x
    x = 576,538,125.15/22,658.16
  6. Step 6: Final answer
    x = 25,445.05

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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.