Home / 22,831.76-34,231.53-8,779.98

Finding the Fourth Proportional to 22,831.76, 34,231.53 and 8,779.98

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Solution

The fourth proportional to 22,831.76, 34,231.53 and 8,779.98 is: 13,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,831.76 : 34,231.53 = 8,779.98 : x
  2. Step 2: Convert to fraction form
    22,831.76/34,231.53 = 8,779.98/x
  3. Step 3: Cross multiply
    22,831.76x = 34,231.53 × 8,779.98
  4. Step 4: Simplify right side
    22,831.76x = 300,552,148.77
  5. Step 5: Solve for x
    x = 300,552,148.77/22,831.76
  6. Step 6: Final answer
    x = 13,163.78

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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.