Home / 27,081.10-37,369.38-15,144.04

Finding the Fourth Proportional to 27,081.10, 37,369.38 and 15,144.04

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Solution

The fourth proportional to 27,081.10, 37,369.38 and 15,144.04 is: 20,897.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.10 : 37,369.38 = 15,144.04 : x
  2. Step 2: Convert to fraction form
    27,081.10/37,369.38 = 15,144.04/x
  3. Step 3: Cross multiply
    27,081.10x = 37,369.38 × 15,144.04
  4. Step 4: Simplify right side
    27,081.10x = 565,923,385.50
  5. Step 5: Solve for x
    x = 565,923,385.50/27,081.10
  6. Step 6: Final answer
    x = 20,897.36

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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.