Home / 14,123.56-21,165.18-7,202.92

Finding the Fourth Proportional to 14,123.56, 21,165.18 and 7,202.92

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Solution

The fourth proportional to 14,123.56, 21,165.18 and 7,202.92 is: 10,794.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.56 : 21,165.18 = 7,202.92 : x
  2. Step 2: Convert to fraction form
    14,123.56/21,165.18 = 7,202.92/x
  3. Step 3: Cross multiply
    14,123.56x = 21,165.18 × 7,202.92
  4. Step 4: Simplify right side
    14,123.56x = 152,451,098.33
  5. Step 5: Solve for x
    x = 152,451,098.33/14,123.56
  6. Step 6: Final answer
    x = 10,794.10

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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.