Home / 27,961.65-38,610.42-18,572.13

Finding the Fourth Proportional to 27,961.65, 38,610.42 and 18,572.13

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Solution

The fourth proportional to 27,961.65, 38,610.42 and 18,572.13 is: 25,645.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,961.65 : 38,610.42 = 18,572.13 : x
  2. Step 2: Convert to fraction form
    27,961.65/38,610.42 = 18,572.13/x
  3. Step 3: Cross multiply
    27,961.65x = 38,610.42 × 18,572.13
  4. Step 4: Simplify right side
    27,961.65x = 717,077,739.59
  5. Step 5: Solve for x
    x = 717,077,739.59/27,961.65
  6. Step 6: Final answer
    x = 25,645.04

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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.