Home / 22,791.24-31,460.40-13,367.70

Finding the Fourth Proportional to 22,791.24, 31,460.40 and 13,367.70

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Solution

The fourth proportional to 22,791.24, 31,460.40 and 13,367.70 is: 18,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,791.24 : 31,460.40 = 13,367.70 : x
  2. Step 2: Convert to fraction form
    22,791.24/31,460.40 = 13,367.70/x
  3. Step 3: Cross multiply
    22,791.24x = 31,460.40 × 13,367.70
  4. Step 4: Simplify right side
    22,791.24x = 420,553,189.08
  5. Step 5: Solve for x
    x = 420,553,189.08/22,791.24
  6. Step 6: Final answer
    x = 18,452.40

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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.