Home / 15,702.12-23,561.25-8,680.83

Finding the Fourth Proportional to 15,702.12, 23,561.25 and 8,680.83

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Solution

The fourth proportional to 15,702.12, 23,561.25 and 8,680.83 is: 13,025.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,702.12 : 23,561.25 = 8,680.83 : x
  2. Step 2: Convert to fraction form
    15,702.12/23,561.25 = 8,680.83/x
  3. Step 3: Cross multiply
    15,702.12x = 23,561.25 × 8,680.83
  4. Step 4: Simplify right side
    15,702.12x = 204,531,205.84
  5. Step 5: Solve for x
    x = 204,531,205.84/15,702.12
  6. Step 6: Final answer
    x = 13,025.71

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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.