Home / 25,149.21-34,708.92-15,083.19

Finding the Fourth Proportional to 25,149.21, 34,708.92 and 15,083.19

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Solution

The fourth proportional to 25,149.21, 34,708.92 and 15,083.19 is: 20,816.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,149.21 : 34,708.92 = 15,083.19 : x
  2. Step 2: Convert to fraction form
    25,149.21/34,708.92 = 15,083.19/x
  3. Step 3: Cross multiply
    25,149.21x = 34,708.92 × 15,083.19
  4. Step 4: Simplify right side
    25,149.21x = 523,521,235.05
  5. Step 5: Solve for x
    x = 523,521,235.05/25,149.21
  6. Step 6: Final answer
    x = 20,816.61

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Half scale
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Double scale
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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.