Home / 18,168.17-25,056.45-11,788.47

Finding the Fourth Proportional to 18,168.17, 25,056.45 and 11,788.47

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Solution

The fourth proportional to 18,168.17, 25,056.45 and 11,788.47 is: 16,257.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168.17 : 25,056.45 = 11,788.47 : x
  2. Step 2: Convert to fraction form
    18,168.17/25,056.45 = 11,788.47/x
  3. Step 3: Cross multiply
    18,168.17x = 25,056.45 × 11,788.47
  4. Step 4: Simplify right side
    18,168.17x = 295,377,253.34
  5. Step 5: Solve for x
    x = 295,377,253.34/18,168.17
  6. Step 6: Final answer
    x = 16,257.96

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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.