Home / 34,158.38-51,245.12-14,453.78

Finding the Fourth Proportional to 34,158.38, 51,245.12 and 14,453.78

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Solution

The fourth proportional to 34,158.38, 51,245.12 and 14,453.78 is: 21,683.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,158.38 : 51,245.12 = 14,453.78 : x
  2. Step 2: Convert to fraction form
    34,158.38/51,245.12 = 14,453.78/x
  3. Step 3: Cross multiply
    34,158.38x = 51,245.12 × 14,453.78
  4. Step 4: Simplify right side
    34,158.38x = 740,685,470.46
  5. Step 5: Solve for x
    x = 740,685,470.46/34,158.38
  6. Step 6: Final answer
    x = 21,683.86

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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.