Home / 15,751.26-23,628.14-5,220.86

Finding the Fourth Proportional to 15,751.26, 23,628.14 and 5,220.86

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Solution

The fourth proportional to 15,751.26, 23,628.14 and 5,220.86 is: 7,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751.26 : 23,628.14 = 5,220.86 : x
  2. Step 2: Convert to fraction form
    15,751.26/23,628.14 = 5,220.86/x
  3. Step 3: Cross multiply
    15,751.26x = 23,628.14 × 5,220.86
  4. Step 4: Simplify right side
    15,751.26x = 123,359,211.00
  5. Step 5: Solve for x
    x = 123,359,211.00/15,751.26
  6. Step 6: Final answer
    x = 7,831.70

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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.