Home / 21,565.62-32,351.45-7,523.60

Finding the Fourth Proportional to 21,565.62, 32,351.45 and 7,523.60

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Solution

The fourth proportional to 21,565.62, 32,351.45 and 7,523.60 is: 11,286.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,565.62 : 32,351.45 = 7,523.60 : x
  2. Step 2: Convert to fraction form
    21,565.62/32,351.45 = 7,523.60/x
  3. Step 3: Cross multiply
    21,565.62x = 32,351.45 × 7,523.60
  4. Step 4: Simplify right side
    21,565.62x = 243,399,169.84
  5. Step 5: Solve for x
    x = 243,399,169.84/21,565.62
  6. Step 6: Final answer
    x = 11,286.44

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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.