Home / 18,634.57-25,716.11-10,251.07

Finding the Fourth Proportional to 18,634.57, 25,716.11 and 10,251.07

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Solution

The fourth proportional to 18,634.57, 25,716.11 and 10,251.07 is: 14,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.57 : 25,716.11 = 10,251.07 : x
  2. Step 2: Convert to fraction form
    18,634.57/25,716.11 = 10,251.07/x
  3. Step 3: Cross multiply
    18,634.57x = 25,716.11 × 10,251.07
  4. Step 4: Simplify right side
    18,634.57x = 263,617,643.74
  5. Step 5: Solve for x
    x = 263,617,643.74/18,634.57
  6. Step 6: Final answer
    x = 14,146.70

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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.