Home / 38,416.76-57,625.18-12,123.56

Finding the Fourth Proportional to 38,416.76, 57,625.18 and 12,123.56

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Solution

The fourth proportional to 38,416.76, 57,625.18 and 12,123.56 is: 18,185.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,416.76 : 57,625.18 = 12,123.56 : x
  2. Step 2: Convert to fraction form
    38,416.76/57,625.18 = 12,123.56/x
  3. Step 3: Cross multiply
    38,416.76x = 57,625.18 × 12,123.56
  4. Step 4: Simplify right side
    38,416.76x = 698,622,327.24
  5. Step 5: Solve for x
    x = 698,622,327.24/38,416.76
  6. Step 6: Final answer
    x = 18,185.35

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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.