Home / 13,079.41-18,049.23-7,414.00

Finding the Fourth Proportional to 13,079.41, 18,049.23 and 7,414.00

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Solution

The fourth proportional to 13,079.41, 18,049.23 and 7,414.00 is: 10,231.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.41 : 18,049.23 = 7,414.00 : x
  2. Step 2: Convert to fraction form
    13,079.41/18,049.23 = 7,414.00/x
  3. Step 3: Cross multiply
    13,079.41x = 18,049.23 × 7,414.00
  4. Step 4: Simplify right side
    13,079.41x = 133,816,946.10
  5. Step 5: Solve for x
    x = 133,816,946.10/13,079.41
  6. Step 6: Final answer
    x = 10,231.12

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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.