Home / 18,316.05-25,276.11-9,932.55

Finding the Fourth Proportional to 18,316.05, 25,276.11 and 9,932.55

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Solution

The fourth proportional to 18,316.05, 25,276.11 and 9,932.55 is: 13,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.05 : 25,276.11 = 9,932.55 : x
  2. Step 2: Convert to fraction form
    18,316.05/25,276.11 = 9,932.55/x
  3. Step 3: Cross multiply
    18,316.05x = 25,276.11 × 9,932.55
  4. Step 4: Simplify right side
    18,316.05x = 251,056,226.38
  5. Step 5: Solve for x
    x = 251,056,226.38/18,316.05
  6. Step 6: Final answer
    x = 13,706.90

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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.