Home / 15,778.86-23,659.41-5,243.24

Finding the Fourth Proportional to 15,778.86, 23,659.41 and 5,243.24

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Solution

The fourth proportional to 15,778.86, 23,659.41 and 5,243.24 is: 7,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,778.86 : 23,659.41 = 5,243.24 : x
  2. Step 2: Convert to fraction form
    15,778.86/23,659.41 = 5,243.24/x
  3. Step 3: Cross multiply
    15,778.86x = 23,659.41 × 5,243.24
  4. Step 4: Simplify right side
    15,778.86x = 124,051,964.89
  5. Step 5: Solve for x
    x = 124,051,964.89/15,778.86
  6. Step 6: Final answer
    x = 7,861.91

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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.