Home / 15,473.80-23,217.90-8,086.60

Finding the Fourth Proportional to 15,473.80, 23,217.90 and 8,086.60

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Solution

The fourth proportional to 15,473.80, 23,217.90 and 8,086.60 is: 12,133.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,473.80 : 23,217.90 = 8,086.60 : x
  2. Step 2: Convert to fraction form
    15,473.80/23,217.90 = 8,086.60/x
  3. Step 3: Cross multiply
    15,473.80x = 23,217.90 × 8,086.60
  4. Step 4: Simplify right side
    15,473.80x = 187,753,870.14
  5. Step 5: Solve for x
    x = 187,753,870.14/15,473.80
  6. Step 6: Final answer
    x = 12,133.66

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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.