Home / 18,336.87-25,306.14-10,379.10

Finding the Fourth Proportional to 18,336.87, 25,306.14 and 10,379.10

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Solution

The fourth proportional to 18,336.87, 25,306.14 and 10,379.10 is: 14,323.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.87 : 25,306.14 = 10,379.10 : x
  2. Step 2: Convert to fraction form
    18,336.87/25,306.14 = 10,379.10/x
  3. Step 3: Cross multiply
    18,336.87x = 25,306.14 × 10,379.10
  4. Step 4: Simplify right side
    18,336.87x = 262,654,957.67
  5. Step 5: Solve for x
    x = 262,654,957.67/18,336.87
  6. Step 6: Final answer
    x = 14,323.87

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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.