Home / 18,240.18-25,171.46-10,282.47

Finding the Fourth Proportional to 18,240.18, 25,171.46 and 10,282.47

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Solution

The fourth proportional to 18,240.18, 25,171.46 and 10,282.47 is: 14,189.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.18 : 25,171.46 = 10,282.47 : x
  2. Step 2: Convert to fraction form
    18,240.18/25,171.46 = 10,282.47/x
  3. Step 3: Cross multiply
    18,240.18x = 25,171.46 × 10,282.47
  4. Step 4: Simplify right side
    18,240.18x = 258,824,782.31
  5. Step 5: Solve for x
    x = 258,824,782.31/18,240.18
  6. Step 6: Final answer
    x = 14,189.82

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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.