Home / 15,868.38-23,839.02-11,199.12

Finding the Fourth Proportional to 15,868.38, 23,839.02 and 11,199.12

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Solution

The fourth proportional to 15,868.38, 23,839.02 and 11,199.12 is: 16,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,868.38 : 23,839.02 = 11,199.12 : x
  2. Step 2: Convert to fraction form
    15,868.38/23,839.02 = 11,199.12/x
  3. Step 3: Cross multiply
    15,868.38x = 23,839.02 × 11,199.12
  4. Step 4: Simplify right side
    15,868.38x = 266,976,045.66
  5. Step 5: Solve for x
    x = 266,976,045.66/15,868.38
  6. Step 6: Final answer
    x = 16,824.40

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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.