Home / 22,713.01-31,338.70-13,758.56

Finding the Fourth Proportional to 22,713.01, 31,338.70 and 13,758.56

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Solution

The fourth proportional to 22,713.01, 31,338.70 and 13,758.56 is: 18,983.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,713.01 : 31,338.70 = 13,758.56 : x
  2. Step 2: Convert to fraction form
    22,713.01/31,338.70 = 13,758.56/x
  3. Step 3: Cross multiply
    22,713.01x = 31,338.70 × 13,758.56
  4. Step 4: Simplify right side
    22,713.01x = 431,175,310.70
  5. Step 5: Solve for x
    x = 431,175,310.70/22,713.01
  6. Step 6: Final answer
    x = 18,983.63

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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.