Home / 15,112.44-22,669.47-4,725

Finding the Fourth Proportional to 15,112.44, 22,669.47 and 4,725

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Solution

The fourth proportional to 15,112.44, 22,669.47 and 4,725 is: 7,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,112.44 : 22,669.47 = 4,725 : x
  2. Step 2: Convert to fraction form
    15,112.44/22,669.47 = 4,725/x
  3. Step 3: Cross multiply
    15,112.44x = 22,669.47 × 4,725
  4. Step 4: Simplify right side
    15,112.44x = 107,113,245.75
  5. Step 5: Solve for x
    x = 107,113,245.75/15,112.44
  6. Step 6: Final answer
    x = 7,087.75

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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.