Home / 18,177.22-27,265.66-9,909.76

Finding the Fourth Proportional to 18,177.22, 27,265.66 and 9,909.76

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Solution

The fourth proportional to 18,177.22, 27,265.66 and 9,909.76 is: 14,864.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177.22 : 27,265.66 = 9,909.76 : x
  2. Step 2: Convert to fraction form
    18,177.22/27,265.66 = 9,909.76/x
  3. Step 3: Cross multiply
    18,177.22x = 27,265.66 × 9,909.76
  4. Step 4: Simplify right side
    18,177.22x = 270,196,146.84
  5. Step 5: Solve for x
    x = 270,196,146.84/18,177.22
  6. Step 6: Final answer
    x = 14,864.55

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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.