Home / 22,474.24-31,013.88-12,402.55

Finding the Fourth Proportional to 22,474.24, 31,013.88 and 12,402.55

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Solution

The fourth proportional to 22,474.24, 31,013.88 and 12,402.55 is: 17,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,474.24 : 31,013.88 = 12,402.55 : x
  2. Step 2: Convert to fraction form
    22,474.24/31,013.88 = 12,402.55/x
  3. Step 3: Cross multiply
    22,474.24x = 31,013.88 × 12,402.55
  4. Step 4: Simplify right side
    22,474.24x = 384,651,197.39
  5. Step 5: Solve for x
    x = 384,651,197.39/22,474.24
  6. Step 6: Final answer
    x = 17,115.20

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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.