Home / 38,887.60-58,340.70-12,592.36

Finding the Fourth Proportional to 38,887.60, 58,340.70 and 12,592.36

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Solution

The fourth proportional to 38,887.60, 58,340.70 and 12,592.36 is: 18,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,887.60 : 58,340.70 = 12,592.36 : x
  2. Step 2: Convert to fraction form
    38,887.60/58,340.70 = 12,592.36/x
  3. Step 3: Cross multiply
    38,887.60x = 58,340.70 × 12,592.36
  4. Step 4: Simplify right side
    38,887.60x = 734,647,097.05
  5. Step 5: Solve for x
    x = 734,647,097.05/38,887.60
  6. Step 6: Final answer
    x = 18,891.55

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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.