Home / 15,042.69-22,549.14-7,131.33

Finding the Fourth Proportional to 15,042.69, 22,549.14 and 7,131.33

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Solution

The fourth proportional to 15,042.69, 22,549.14 and 7,131.33 is: 10,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,042.69 : 22,549.14 = 7,131.33 : x
  2. Step 2: Convert to fraction form
    15,042.69/22,549.14 = 7,131.33/x
  3. Step 3: Cross multiply
    15,042.69x = 22,549.14 × 7,131.33
  4. Step 4: Simplify right side
    15,042.69x = 160,805,358.56
  5. Step 5: Solve for x
    x = 160,805,358.56/15,042.69
  6. Step 6: Final answer
    x = 10,689.93

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1.5x scale

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.