Home / 38,374.48-57,558.92-12,086.74

Finding the Fourth Proportional to 38,374.48, 57,558.92 and 12,086.74

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Solution

The fourth proportional to 38,374.48, 57,558.92 and 12,086.74 is: 18,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,374.48 : 57,558.92 = 12,086.74 : x
  2. Step 2: Convert to fraction form
    38,374.48/57,558.92 = 12,086.74/x
  3. Step 3: Cross multiply
    38,374.48x = 57,558.92 × 12,086.74
  4. Step 4: Simplify right side
    38,374.48x = 695,699,700.72
  5. Step 5: Solve for x
    x = 695,699,700.72/38,374.48
  6. Step 6: Final answer
    x = 18,129.23

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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.