Home / 18,110.60-27,176.18-9,790.42

Finding the Fourth Proportional to 18,110.60, 27,176.18 and 9,790.42

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Solution

The fourth proportional to 18,110.60, 27,176.18 and 9,790.42 is: 14,691.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.60 : 27,176.18 = 9,790.42 : x
  2. Step 2: Convert to fraction form
    18,110.60/27,176.18 = 9,790.42/x
  3. Step 3: Cross multiply
    18,110.60x = 27,176.18 × 9,790.42
  4. Step 4: Simplify right side
    18,110.60x = 266,066,216.20
  5. Step 5: Solve for x
    x = 266,066,216.20/18,110.60
  6. Step 6: Final answer
    x = 14,691.19

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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.