Home / 18,743.92-28,119.72-5,597.04

Finding the Fourth Proportional to 18,743.92, 28,119.72 and 5,597.04

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Solution

The fourth proportional to 18,743.92, 28,119.72 and 5,597.04 is: 8,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.92 : 28,119.72 = 5,597.04 : x
  2. Step 2: Convert to fraction form
    18,743.92/28,119.72 = 5,597.04/x
  3. Step 3: Cross multiply
    18,743.92x = 28,119.72 × 5,597.04
  4. Step 4: Simplify right side
    18,743.92x = 157,387,197.63
  5. Step 5: Solve for x
    x = 157,387,197.63/18,743.92
  6. Step 6: Final answer
    x = 8,396.71

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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.