Home / 18,517.91-25,554.53-10,019.85

Finding the Fourth Proportional to 18,517.91, 25,554.53 and 10,019.85

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Solution

The fourth proportional to 18,517.91, 25,554.53 and 10,019.85 is: 13,827.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.91 : 25,554.53 = 10,019.85 : x
  2. Step 2: Convert to fraction form
    18,517.91/25,554.53 = 10,019.85/x
  3. Step 3: Cross multiply
    18,517.91x = 25,554.53 × 10,019.85
  4. Step 4: Simplify right side
    18,517.91x = 256,052,518.58
  5. Step 5: Solve for x
    x = 256,052,518.58/18,517.91
  6. Step 6: Final answer
    x = 13,827.29

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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.