Home / 22,806.90-31,472.82-13,375.26

Finding the Fourth Proportional to 22,806.90, 31,472.82 and 13,375.26

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Solution

The fourth proportional to 22,806.90, 31,472.82 and 13,375.26 is: 18,457.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,806.90 : 31,472.82 = 13,375.26 : x
  2. Step 2: Convert to fraction form
    22,806.90/31,472.82 = 13,375.26/x
  3. Step 3: Cross multiply
    22,806.90x = 31,472.82 × 13,375.26
  4. Step 4: Simplify right side
    22,806.90x = 420,957,150.43
  5. Step 5: Solve for x
    x = 420,957,150.43/22,806.90
  6. Step 6: Final answer
    x = 18,457.45

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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.