Home / 18,491.76-25,517.88-10,108.26

Finding the Fourth Proportional to 18,491.76, 25,517.88 and 10,108.26

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Solution

The fourth proportional to 18,491.76, 25,517.88 and 10,108.26 is: 13,948.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,491.76 : 25,517.88 = 10,108.26 : x
  2. Step 2: Convert to fraction form
    18,491.76/25,517.88 = 10,108.26/x
  3. Step 3: Cross multiply
    18,491.76x = 25,517.88 × 10,108.26
  4. Step 4: Simplify right side
    18,491.76x = 257,941,365.69
  5. Step 5: Solve for x
    x = 257,941,365.69/18,491.76
  6. Step 6: Final answer
    x = 13,948.99

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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.