Home / 18,247.88-25,182.07-9,864.38

Finding the Fourth Proportional to 18,247.88, 25,182.07 and 9,864.38

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Solution

The fourth proportional to 18,247.88, 25,182.07 and 9,864.38 is: 13,612.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.88 : 25,182.07 = 9,864.38 : x
  2. Step 2: Convert to fraction form
    18,247.88/25,182.07 = 9,864.38/x
  3. Step 3: Cross multiply
    18,247.88x = 25,182.07 × 9,864.38
  4. Step 4: Simplify right side
    18,247.88x = 248,405,507.67
  5. Step 5: Solve for x
    x = 248,405,507.67/18,247.88
  6. Step 6: Final answer
    x = 13,612.84

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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.