Home / 37,122.50-55,695.30-12,162.76

Finding the Fourth Proportional to 37,122.50, 55,695.30 and 12,162.76

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Solution

The fourth proportional to 37,122.50, 55,695.30 and 12,162.76 is: 18,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,122.50 : 55,695.30 = 12,162.76 : x
  2. Step 2: Convert to fraction form
    37,122.50/55,695.30 = 12,162.76/x
  3. Step 3: Cross multiply
    37,122.50x = 55,695.30 × 12,162.76
  4. Step 4: Simplify right side
    37,122.50x = 677,408,382.18
  5. Step 5: Solve for x
    x = 677,408,382.18/37,122.50
  6. Step 6: Final answer
    x = 18,247.92

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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.