Home / 53,191.38-79,791.66-13,748.16

Finding the Fourth Proportional to 53,191.38, 79,791.66 and 13,748.16

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Solution

The fourth proportional to 53,191.38, 79,791.66 and 13,748.16 is: 20,623.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,191.38 : 79,791.66 = 13,748.16 : x
  2. Step 2: Convert to fraction form
    53,191.38/79,791.66 = 13,748.16/x
  3. Step 3: Cross multiply
    53,191.38x = 79,791.66 × 13,748.16
  4. Step 4: Simplify right side
    53,191.38x = 1,096,988,508.35
  5. Step 5: Solve for x
    x = 1,096,988,508.35/53,191.38
  6. Step 6: Final answer
    x = 20,623.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.