Home / 18,001.16-24,840.42-11,286.50

Finding the Fourth Proportional to 18,001.16, 24,840.42 and 11,286.50

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Solution

The fourth proportional to 18,001.16, 24,840.42 and 11,286.50 is: 15,574.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001.16 : 24,840.42 = 11,286.50 : x
  2. Step 2: Convert to fraction form
    18,001.16/24,840.42 = 11,286.50/x
  3. Step 3: Cross multiply
    18,001.16x = 24,840.42 × 11,286.50
  4. Step 4: Simplify right side
    18,001.16x = 280,361,400.33
  5. Step 5: Solve for x
    x = 280,361,400.33/18,001.16
  6. Step 6: Final answer
    x = 15,574.63

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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.