Home / 18,338.24-25,306.84-10,381.99

Finding the Fourth Proportional to 18,338.24, 25,306.84 and 10,381.99

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Solution

The fourth proportional to 18,338.24, 25,306.84 and 10,381.99 is: 14,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.24 : 25,306.84 = 10,381.99 : x
  2. Step 2: Convert to fraction form
    18,338.24/25,306.84 = 10,381.99/x
  3. Step 3: Cross multiply
    18,338.24x = 25,306.84 × 10,381.99
  4. Step 4: Simplify right side
    18,338.24x = 262,735,404.42
  5. Step 5: Solve for x
    x = 262,735,404.42/18,338.24
  6. Step 6: Final answer
    x = 14,327.19

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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.