Home / 18,122.74-25,010.75-10,057.92

Finding the Fourth Proportional to 18,122.74, 25,010.75 and 10,057.92

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Solution

The fourth proportional to 18,122.74, 25,010.75 and 10,057.92 is: 13,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.74 : 25,010.75 = 10,057.92 : x
  2. Step 2: Convert to fraction form
    18,122.74/25,010.75 = 10,057.92/x
  3. Step 3: Cross multiply
    18,122.74x = 25,010.75 × 10,057.92
  4. Step 4: Simplify right side
    18,122.74x = 251,555,978.56
  5. Step 5: Solve for x
    x = 251,555,978.56/18,122.74
  6. Step 6: Final answer
    x = 13,880.68

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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.