Home / 18,272.07-25,216.20-10,314.30

Finding the Fourth Proportional to 18,272.07, 25,216.20 and 10,314.30

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Solution

The fourth proportional to 18,272.07, 25,216.20 and 10,314.30 is: 14,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.07 : 25,216.20 = 10,314.30 : x
  2. Step 2: Convert to fraction form
    18,272.07/25,216.20 = 10,314.30/x
  3. Step 3: Cross multiply
    18,272.07x = 25,216.20 × 10,314.30
  4. Step 4: Simplify right side
    18,272.07x = 260,087,451.66
  5. Step 5: Solve for x
    x = 260,087,451.66/18,272.07
  6. Step 6: Final answer
    x = 14,234.15

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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.