Home / 15,195.40-22,782.30-5,831.80

Finding the Fourth Proportional to 15,195.40, 22,782.30 and 5,831.80

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Solution

The fourth proportional to 15,195.40, 22,782.30 and 5,831.80 is: 8,743.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,195.40 : 22,782.30 = 5,831.80 : x
  2. Step 2: Convert to fraction form
    15,195.40/22,782.30 = 5,831.80/x
  3. Step 3: Cross multiply
    15,195.40x = 22,782.30 × 5,831.80
  4. Step 4: Simplify right side
    15,195.40x = 132,861,817.14
  5. Step 5: Solve for x
    x = 132,861,817.14/15,195.40
  6. Step 6: Final answer
    x = 8,743.56

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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.