Home / 14,403.38-21,607.74-5,043.20

Finding the Fourth Proportional to 14,403.38, 21,607.74 and 5,043.20

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Solution

The fourth proportional to 14,403.38, 21,607.74 and 5,043.20 is: 7,565.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.38 : 21,607.74 = 5,043.20 : x
  2. Step 2: Convert to fraction form
    14,403.38/21,607.74 = 5,043.20/x
  3. Step 3: Cross multiply
    14,403.38x = 21,607.74 × 5,043.20
  4. Step 4: Simplify right side
    14,403.38x = 108,972,046.33
  5. Step 5: Solve for x
    x = 108,972,046.33/14,403.38
  6. Step 6: Final answer
    x = 7,565.73

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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.