Home / 22,672.13-31,278.57-13,110.26

Finding the Fourth Proportional to 22,672.13, 31,278.57 and 13,110.26

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Solution

The fourth proportional to 22,672.13, 31,278.57 and 13,110.26 is: 18,086.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,672.13 : 31,278.57 = 13,110.26 : x
  2. Step 2: Convert to fraction form
    22,672.13/31,278.57 = 13,110.26/x
  3. Step 3: Cross multiply
    22,672.13x = 31,278.57 × 13,110.26
  4. Step 4: Simplify right side
    22,672.13x = 410,070,028.74
  5. Step 5: Solve for x
    x = 410,070,028.74/22,672.13
  6. Step 6: Final answer
    x = 18,086.97

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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.