Home / 18,825.18-28,236.23-6,344.93

Finding the Fourth Proportional to 18,825.18, 28,236.23 and 6,344.93

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Solution

The fourth proportional to 18,825.18, 28,236.23 and 6,344.93 is: 9,516.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.18 : 28,236.23 = 6,344.93 : x
  2. Step 2: Convert to fraction form
    18,825.18/28,236.23 = 6,344.93/x
  3. Step 3: Cross multiply
    18,825.18x = 28,236.23 × 6,344.93
  4. Step 4: Simplify right side
    18,825.18x = 179,156,902.81
  5. Step 5: Solve for x
    x = 179,156,902.81/18,825.18
  6. Step 6: Final answer
    x = 9,516.88

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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.