Home / 21,202.68-29,260.50-11,773.02

Finding the Fourth Proportional to 21,202.68, 29,260.50 and 11,773.02

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Solution

The fourth proportional to 21,202.68, 29,260.50 and 11,773.02 is: 16,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,202.68 : 29,260.50 = 11,773.02 : x
  2. Step 2: Convert to fraction form
    21,202.68/29,260.50 = 11,773.02/x
  3. Step 3: Cross multiply
    21,202.68x = 29,260.50 × 11,773.02
  4. Step 4: Simplify right side
    21,202.68x = 344,484,451.71
  5. Step 5: Solve for x
    x = 344,484,451.71/21,202.68
  6. Step 6: Final answer
    x = 16,247.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.