Home / 18,236.91-25,166.59-10,278.98

Finding the Fourth Proportional to 18,236.91, 25,166.59 and 10,278.98

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Solution

The fourth proportional to 18,236.91, 25,166.59 and 10,278.98 is: 14,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.91 : 25,166.59 = 10,278.98 : x
  2. Step 2: Convert to fraction form
    18,236.91/25,166.59 = 10,278.98/x
  3. Step 3: Cross multiply
    18,236.91x = 25,166.59 × 10,278.98
  4. Step 4: Simplify right side
    18,236.91x = 258,686,723.75
  5. Step 5: Solve for x
    x = 258,686,723.75/18,236.91
  6. Step 6: Final answer
    x = 14,184.79

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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.