Home / 20,279.92-27,970.87-17,452.06

Finding the Fourth Proportional to 20,279.92, 27,970.87 and 17,452.06

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Solution

The fourth proportional to 20,279.92, 27,970.87 and 17,452.06 is: 24,070.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,279.92 : 27,970.87 = 17,452.06 : x
  2. Step 2: Convert to fraction form
    20,279.92/27,970.87 = 17,452.06/x
  3. Step 3: Cross multiply
    20,279.92x = 27,970.87 × 17,452.06
  4. Step 4: Simplify right side
    20,279.92x = 488,149,301.49
  5. Step 5: Solve for x
    x = 488,149,301.49/20,279.92
  6. Step 6: Final answer
    x = 24,070.57

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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.