Home / 22,543.26-31,113.41-13,117.29

Finding the Fourth Proportional to 22,543.26, 31,113.41 and 13,117.29

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Solution

The fourth proportional to 22,543.26, 31,113.41 and 13,117.29 is: 18,104.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,543.26 : 31,113.41 = 13,117.29 : x
  2. Step 2: Convert to fraction form
    22,543.26/31,113.41 = 13,117.29/x
  3. Step 3: Cross multiply
    22,543.26x = 31,113.41 × 13,117.29
  4. Step 4: Simplify right side
    22,543.26x = 408,123,556.27
  5. Step 5: Solve for x
    x = 408,123,556.27/22,543.26
  6. Step 6: Final answer
    x = 18,104.02

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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.