Home / 18,001.24-24,825.56-11,287.60

Finding the Fourth Proportional to 18,001.24, 24,825.56 and 11,287.60

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Solution

The fourth proportional to 18,001.24, 24,825.56 and 11,287.60 is: 15,566.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001.24 : 24,825.56 = 11,287.60 : x
  2. Step 2: Convert to fraction form
    18,001.24/24,825.56 = 11,287.60/x
  3. Step 3: Cross multiply
    18,001.24x = 24,825.56 × 11,287.60
  4. Step 4: Simplify right side
    18,001.24x = 280,220,991.06
  5. Step 5: Solve for x
    x = 280,220,991.06/18,001.24
  6. Step 6: Final answer
    x = 15,566.76

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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.