Home / 27,546.13-38,012.85-15,613.32

Finding the Fourth Proportional to 27,546.13, 38,012.85 and 15,613.32

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Solution

The fourth proportional to 27,546.13, 38,012.85 and 15,613.32 is: 21,545.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,546.13 : 38,012.85 = 15,613.32 : x
  2. Step 2: Convert to fraction form
    27,546.13/38,012.85 = 15,613.32/x
  3. Step 3: Cross multiply
    27,546.13x = 38,012.85 × 15,613.32
  4. Step 4: Simplify right side
    27,546.13x = 593,506,791.16
  5. Step 5: Solve for x
    x = 593,506,791.16/27,546.13
  6. Step 6: Final answer
    x = 21,545.92

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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.