Home / 37,143.60-55,676.28-12,177.12

Finding the Fourth Proportional to 37,143.60, 55,676.28 and 12,177.12

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Solution

The fourth proportional to 37,143.60, 55,676.28 and 12,177.12 is: 18,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,143.60 : 55,676.28 = 12,177.12 : x
  2. Step 2: Convert to fraction form
    37,143.60/55,676.28 = 12,177.12/x
  3. Step 3: Cross multiply
    37,143.60x = 55,676.28 × 12,177.12
  4. Step 4: Simplify right side
    37,143.60x = 677,976,742.71
  5. Step 5: Solve for x
    x = 677,976,742.71/37,143.60
  6. Step 6: Final answer
    x = 18,252.85

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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.