Home / 18,088.56-27,125.52-6,989.04

Finding the Fourth Proportional to 18,088.56, 27,125.52 and 6,989.04

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Solution

The fourth proportional to 18,088.56, 27,125.52 and 6,989.04 is: 10,480.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.56 : 27,125.52 = 6,989.04 : x
  2. Step 2: Convert to fraction form
    18,088.56/27,125.52 = 6,989.04/x
  3. Step 3: Cross multiply
    18,088.56x = 27,125.52 × 6,989.04
  4. Step 4: Simplify right side
    18,088.56x = 189,581,344.30
  5. Step 5: Solve for x
    x = 189,581,344.30/18,088.56
  6. Step 6: Final answer
    x = 10,480.73

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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.