Home / 18,132.14-25,007.91-14,982.86

Finding the Fourth Proportional to 18,132.14, 25,007.91 and 14,982.86

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Solution

The fourth proportional to 18,132.14, 25,007.91 and 14,982.86 is: 20,664.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.14 : 25,007.91 = 14,982.86 : x
  2. Step 2: Convert to fraction form
    18,132.14/25,007.91 = 14,982.86/x
  3. Step 3: Cross multiply
    18,132.14x = 25,007.91 × 14,982.86
  4. Step 4: Simplify right side
    18,132.14x = 374,689,889.38
  5. Step 5: Solve for x
    x = 374,689,889.38/18,132.14
  6. Step 6: Final answer
    x = 20,664.41

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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.