Home / 15,473.20-23,234.10-8,912.20

Finding the Fourth Proportional to 15,473.20, 23,234.10 and 8,912.20

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Solution

The fourth proportional to 15,473.20, 23,234.10 and 8,912.20 is: 13,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,473.20 : 23,234.10 = 8,912.20 : x
  2. Step 2: Convert to fraction form
    15,473.20/23,234.10 = 8,912.20/x
  3. Step 3: Cross multiply
    15,473.20x = 23,234.10 × 8,912.20
  4. Step 4: Simplify right side
    15,473.20x = 207,066,946.02
  5. Step 5: Solve for x
    x = 207,066,946.02/15,473.20
  6. Step 6: Final answer
    x = 13,382.30

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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.