Home / 43,713.88-65,586.18-18,752.92

Finding the Fourth Proportional to 43,713.88, 65,586.18 and 18,752.92

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Solution

The fourth proportional to 43,713.88, 65,586.18 and 18,752.92 is: 28,135.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,713.88 : 65,586.18 = 18,752.92 : x
  2. Step 2: Convert to fraction form
    43,713.88/65,586.18 = 18,752.92/x
  3. Step 3: Cross multiply
    43,713.88x = 65,586.18 × 18,752.92
  4. Step 4: Simplify right side
    43,713.88x = 1,229,932,386.65
  5. Step 5: Solve for x
    x = 1,229,932,386.65/43,713.88
  6. Step 6: Final answer
    x = 28,135.97

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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.