Home / 15,522.86-23,287.89-5,661.74

Finding the Fourth Proportional to 15,522.86, 23,287.89 and 5,661.74

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Solution

The fourth proportional to 15,522.86, 23,287.89 and 5,661.74 is: 8,493.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,522.86 : 23,287.89 = 5,661.74 : x
  2. Step 2: Convert to fraction form
    15,522.86/23,287.89 = 5,661.74/x
  3. Step 3: Cross multiply
    15,522.86x = 23,287.89 × 5,661.74
  4. Step 4: Simplify right side
    15,522.86x = 131,849,978.33
  5. Step 5: Solve for x
    x = 131,849,978.33/15,522.86
  6. Step 6: Final answer
    x = 8,493.92

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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.