Home / 18,517.46-25,553.85-10,559.81

Finding the Fourth Proportional to 18,517.46, 25,553.85 and 10,559.81

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Solution

The fourth proportional to 18,517.46, 25,553.85 and 10,559.81 is: 14,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.46 : 25,553.85 = 10,559.81 : x
  2. Step 2: Convert to fraction form
    18,517.46/25,553.85 = 10,559.81/x
  3. Step 3: Cross multiply
    18,517.46x = 25,553.85 × 10,559.81
  4. Step 4: Simplify right side
    18,517.46x = 269,843,800.77
  5. Step 5: Solve for x
    x = 269,843,800.77/18,517.46
  6. Step 6: Final answer
    x = 14,572.40

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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.