Home / 18,151.90-27,169.26-9,374.74

Finding the Fourth Proportional to 18,151.90, 27,169.26 and 9,374.74

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Solution

The fourth proportional to 18,151.90, 27,169.26 and 9,374.74 is: 14,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.90 : 27,169.26 = 9,374.74 : x
  2. Step 2: Convert to fraction form
    18,151.90/27,169.26 = 9,374.74/x
  3. Step 3: Cross multiply
    18,151.90x = 27,169.26 × 9,374.74
  4. Step 4: Simplify right side
    18,151.90x = 254,704,645.41
  5. Step 5: Solve for x
    x = 254,704,645.41/18,151.90
  6. Step 6: Final answer
    x = 14,031.85

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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.