Home / 12,470.32-18,718.96-11,092.48

Finding the Fourth Proportional to 12,470.32, 18,718.96 and 11,092.48

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Solution

The fourth proportional to 12,470.32, 18,718.96 and 11,092.48 is: 16,650.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.32 : 18,718.96 = 11,092.48 : x
  2. Step 2: Convert to fraction form
    12,470.32/18,718.96 = 11,092.48/x
  3. Step 3: Cross multiply
    12,470.32x = 18,718.96 × 11,092.48
  4. Step 4: Simplify right side
    12,470.32x = 207,639,689.42
  5. Step 5: Solve for x
    x = 207,639,689.42/12,470.32
  6. Step 6: Final answer
    x = 16,650.71

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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.