Home / 18,635.22-25,717.86-10,251.72

Finding the Fourth Proportional to 18,635.22, 25,717.86 and 10,251.72

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Solution

The fourth proportional to 18,635.22, 25,717.86 and 10,251.72 is: 14,148.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.22 : 25,717.86 = 10,251.72 : x
  2. Step 2: Convert to fraction form
    18,635.22/25,717.86 = 10,251.72/x
  3. Step 3: Cross multiply
    18,635.22x = 25,717.86 × 10,251.72
  4. Step 4: Simplify right side
    18,635.22x = 263,652,299.72
  5. Step 5: Solve for x
    x = 263,652,299.72/18,635.22
  6. Step 6: Final answer
    x = 14,148.06

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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.