Home / 22,750.24-31,394.12-12,540.96

Finding the Fourth Proportional to 22,750.24, 31,394.12 and 12,540.96

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Solution

The fourth proportional to 22,750.24, 31,394.12 and 12,540.96 is: 17,305.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,750.24 : 31,394.12 = 12,540.96 : x
  2. Step 2: Convert to fraction form
    22,750.24/31,394.12 = 12,540.96/x
  3. Step 3: Cross multiply
    22,750.24x = 31,394.12 × 12,540.96
  4. Step 4: Simplify right side
    22,750.24x = 393,712,403.16
  5. Step 5: Solve for x
    x = 393,712,403.16/22,750.24
  6. Step 6: Final answer
    x = 17,305.86

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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.