Home / 13,517.50-20,277.17-4,156.94

Finding the Fourth Proportional to 13,517.50, 20,277.17 and 4,156.94

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Solution

The fourth proportional to 13,517.50, 20,277.17 and 4,156.94 is: 6,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.50 : 20,277.17 = 4,156.94 : x
  2. Step 2: Convert to fraction form
    13,517.50/20,277.17 = 4,156.94/x
  3. Step 3: Cross multiply
    13,517.50x = 20,277.17 × 4,156.94
  4. Step 4: Simplify right side
    13,517.50x = 84,290,979.06
  5. Step 5: Solve for x
    x = 84,290,979.06/13,517.50
  6. Step 6: Final answer
    x = 6,235.69

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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.