Home / 18,491.04-25,517.16-10,107

Finding the Fourth Proportional to 18,491.04, 25,517.16 and 10,107

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Solution

The fourth proportional to 18,491.04, 25,517.16 and 10,107 is: 13,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,491.04 : 25,517.16 = 10,107 : x
  2. Step 2: Convert to fraction form
    18,491.04/25,517.16 = 10,107/x
  3. Step 3: Cross multiply
    18,491.04x = 25,517.16 × 10,107
  4. Step 4: Simplify right side
    18,491.04x = 257,901,936.12
  5. Step 5: Solve for x
    x = 257,901,936.12/18,491.04
  6. Step 6: Final answer
    x = 13,947.40

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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.