Home / 18,230.66-25,158.11-10,272.88

Finding the Fourth Proportional to 18,230.66, 25,158.11 and 10,272.88

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Solution

The fourth proportional to 18,230.66, 25,158.11 and 10,272.88 is: 14,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.66 : 25,158.11 = 10,272.88 : x
  2. Step 2: Convert to fraction form
    18,230.66/25,158.11 = 10,272.88/x
  3. Step 3: Cross multiply
    18,230.66x = 25,158.11 × 10,272.88
  4. Step 4: Simplify right side
    18,230.66x = 258,446,207.84
  5. Step 5: Solve for x
    x = 258,446,207.84/18,230.66
  6. Step 6: Final answer
    x = 14,176.46

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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.