Home / 15,911.48-23,867.86-4,224.80

Finding the Fourth Proportional to 15,911.48, 23,867.86 and 4,224.80

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Solution

The fourth proportional to 15,911.48, 23,867.86 and 4,224.80 is: 6,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,911.48 : 23,867.86 = 4,224.80 : x
  2. Step 2: Convert to fraction form
    15,911.48/23,867.86 = 4,224.80/x
  3. Step 3: Cross multiply
    15,911.48x = 23,867.86 × 4,224.80
  4. Step 4: Simplify right side
    15,911.48x = 100,836,934.93
  5. Step 5: Solve for x
    x = 100,836,934.93/15,911.48
  6. Step 6: Final answer
    x = 6,337.37

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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.