Home / 15,344.14-21,169.47-10,042.06

Finding the Fourth Proportional to 15,344.14, 21,169.47 and 10,042.06

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Solution

The fourth proportional to 15,344.14, 21,169.47 and 10,042.06 is: 13,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344.14 : 21,169.47 = 10,042.06 : x
  2. Step 2: Convert to fraction form
    15,344.14/21,169.47 = 10,042.06/x
  3. Step 3: Cross multiply
    15,344.14x = 21,169.47 × 10,042.06
  4. Step 4: Simplify right side
    15,344.14x = 212,585,087.91
  5. Step 5: Solve for x
    x = 212,585,087.91/15,344.14
  6. Step 6: Final answer
    x = 13,854.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.