Home / 38,659.86-57,998.43-12,366.18

Finding the Fourth Proportional to 38,659.86, 57,998.43 and 12,366.18

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Solution

The fourth proportional to 38,659.86, 57,998.43 and 12,366.18 is: 18,552.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,659.86 : 57,998.43 = 12,366.18 : x
  2. Step 2: Convert to fraction form
    38,659.86/57,998.43 = 12,366.18/x
  3. Step 3: Cross multiply
    38,659.86x = 57,998.43 × 12,366.18
  4. Step 4: Simplify right side
    38,659.86x = 717,219,025.10
  5. Step 5: Solve for x
    x = 717,219,025.10/38,659.86
  6. Step 6: Final answer
    x = 18,552.03

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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.