Home / 22,494.93-31,020.03-13,540.65

Finding the Fourth Proportional to 22,494.93, 31,020.03 and 13,540.65

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Solution

The fourth proportional to 22,494.93, 31,020.03 and 13,540.65 is: 18,672.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,494.93 : 31,020.03 = 13,540.65 : x
  2. Step 2: Convert to fraction form
    22,494.93/31,020.03 = 13,540.65/x
  3. Step 3: Cross multiply
    22,494.93x = 31,020.03 × 13,540.65
  4. Step 4: Simplify right side
    22,494.93x = 420,031,369.22
  5. Step 5: Solve for x
    x = 420,031,369.22/22,494.93
  6. Step 6: Final answer
    x = 18,672.27

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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.