Home / 18,635.19-25,716.57-10,251.69

Finding the Fourth Proportional to 18,635.19, 25,716.57 and 10,251.69

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Solution

The fourth proportional to 18,635.19, 25,716.57 and 10,251.69 is: 14,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.19 : 25,716.57 = 10,251.69 : x
  2. Step 2: Convert to fraction form
    18,635.19/25,716.57 = 10,251.69/x
  3. Step 3: Cross multiply
    18,635.19x = 25,716.57 × 10,251.69
  4. Step 4: Simplify right side
    18,635.19x = 263,638,303.50
  5. Step 5: Solve for x
    x = 263,638,303.50/18,635.19
  6. Step 6: Final answer
    x = 14,147.34

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Half scale
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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.