Home / 15,112.48-22,660-5,867.68

Finding the Fourth Proportional to 15,112.48, 22,660 and 5,867.68

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Solution

The fourth proportional to 15,112.48, 22,660 and 5,867.68 is: 8,798.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,112.48 : 22,660 = 5,867.68 : x
  2. Step 2: Convert to fraction form
    15,112.48/22,660 = 5,867.68/x
  3. Step 3: Cross multiply
    15,112.48x = 22,660 × 5,867.68
  4. Step 4: Simplify right side
    15,112.48x = 132,961,628.80
  5. Step 5: Solve for x
    x = 132,961,628.80/15,112.48
  6. Step 6: Final answer
    x = 8,798.13

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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.