Home / 38,896.20-58,353.57-12,600.90

Finding the Fourth Proportional to 38,896.20, 58,353.57 and 12,600.90

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Solution

The fourth proportional to 38,896.20, 58,353.57 and 12,600.90 is: 18,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,896.20 : 58,353.57 = 12,600.90 : x
  2. Step 2: Convert to fraction form
    38,896.20/58,353.57 = 12,600.90/x
  3. Step 3: Cross multiply
    38,896.20x = 58,353.57 × 12,600.90
  4. Step 4: Simplify right side
    38,896.20x = 735,307,500.21
  5. Step 5: Solve for x
    x = 735,307,500.21/38,896.20
  6. Step 6: Final answer
    x = 18,904.35

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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.