Home / 18,221.04-27,332.54-5,742.03

Finding the Fourth Proportional to 18,221.04, 27,332.54 and 5,742.03

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Solution

The fourth proportional to 18,221.04, 27,332.54 and 5,742.03 is: 8,613.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221.04 : 27,332.54 = 5,742.03 : x
  2. Step 2: Convert to fraction form
    18,221.04/27,332.54 = 5,742.03/x
  3. Step 3: Cross multiply
    18,221.04x = 27,332.54 × 5,742.03
  4. Step 4: Simplify right side
    18,221.04x = 156,944,235.95
  5. Step 5: Solve for x
    x = 156,944,235.95/18,221.04
  6. Step 6: Final answer
    x = 8,613.35

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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.