Home / 15,147.34-22,734.14-15,112.31

Finding the Fourth Proportional to 15,147.34, 22,734.14 and 15,112.31

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Solution

The fourth proportional to 15,147.34, 22,734.14 and 15,112.31 is: 22,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147.34 : 22,734.14 = 15,112.31 : x
  2. Step 2: Convert to fraction form
    15,147.34/22,734.14 = 15,112.31/x
  3. Step 3: Cross multiply
    15,147.34x = 22,734.14 × 15,112.31
  4. Step 4: Simplify right side
    15,147.34x = 343,565,352.54
  5. Step 5: Solve for x
    x = 343,565,352.54/15,147.34
  6. Step 6: Final answer
    x = 22,681.57

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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.