Home / 18,309.12-25,262.04-10,351.17

Finding the Fourth Proportional to 18,309.12, 25,262.04 and 10,351.17

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Solution

The fourth proportional to 18,309.12, 25,262.04 and 10,351.17 is: 14,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309.12 : 25,262.04 = 10,351.17 : x
  2. Step 2: Convert to fraction form
    18,309.12/25,262.04 = 10,351.17/x
  3. Step 3: Cross multiply
    18,309.12x = 25,262.04 × 10,351.17
  4. Step 4: Simplify right side
    18,309.12x = 261,491,709.40
  5. Step 5: Solve for x
    x = 261,491,709.40/18,309.12
  6. Step 6: Final answer
    x = 14,282.05

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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.