Home / 24,942.69-34,393.01-20,391.17

Finding the Fourth Proportional to 24,942.69, 34,393.01 and 20,391.17

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Solution

The fourth proportional to 24,942.69, 34,393.01 and 20,391.17 is: 28,116.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,942.69 : 34,393.01 = 20,391.17 : x
  2. Step 2: Convert to fraction form
    24,942.69/34,393.01 = 20,391.17/x
  3. Step 3: Cross multiply
    24,942.69x = 34,393.01 × 20,391.17
  4. Step 4: Simplify right side
    24,942.69x = 701,313,439.80
  5. Step 5: Solve for x
    x = 701,313,439.80/24,942.69
  6. Step 6: Final answer
    x = 28,116.99

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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.