Home / 18,344.33-25,319.71-10,391.24

Finding the Fourth Proportional to 18,344.33, 25,319.71 and 10,391.24

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Solution

The fourth proportional to 18,344.33, 25,319.71 and 10,391.24 is: 14,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.33 : 25,319.71 = 10,391.24 : x
  2. Step 2: Convert to fraction form
    18,344.33/25,319.71 = 10,391.24/x
  3. Step 3: Cross multiply
    18,344.33x = 25,319.71 × 10,391.24
  4. Step 4: Simplify right side
    18,344.33x = 263,103,201.18
  5. Step 5: Solve for x
    x = 263,103,201.18/18,344.33
  6. Step 6: Final answer
    x = 14,342.48

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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.