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Finding the Fourth Proportional to 18,091.95, 24,966.59 and 10,134.15

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Solution

The fourth proportional to 18,091.95, 24,966.59 and 10,134.15 is: 13,984.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.95 : 24,966.59 = 10,134.15 : x
  2. Step 2: Convert to fraction form
    18,091.95/24,966.59 = 10,134.15/x
  3. Step 3: Cross multiply
    18,091.95x = 24,966.59 × 10,134.15
  4. Step 4: Simplify right side
    18,091.95x = 253,015,168.05
  5. Step 5: Solve for x
    x = 253,015,168.05/18,091.95
  6. Step 6: Final answer
    x = 13,984.96

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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.