Home / 15,448.78-23,164.80-5,448.52

Finding the Fourth Proportional to 15,448.78, 23,164.80 and 5,448.52

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Solution

The fourth proportional to 15,448.78, 23,164.80 and 5,448.52 is: 8,169.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,448.78 : 23,164.80 = 5,448.52 : x
  2. Step 2: Convert to fraction form
    15,448.78/23,164.80 = 5,448.52/x
  3. Step 3: Cross multiply
    15,448.78x = 23,164.80 × 5,448.52
  4. Step 4: Simplify right side
    15,448.78x = 126,213,876.10
  5. Step 5: Solve for x
    x = 126,213,876.10/15,448.78
  6. Step 6: Final answer
    x = 8,169.83

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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.