Home / 18,277.74-25,224.03-11,112.48

Finding the Fourth Proportional to 18,277.74, 25,224.03 and 11,112.48

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Solution

The fourth proportional to 18,277.74, 25,224.03 and 11,112.48 is: 15,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.74 : 25,224.03 = 11,112.48 : x
  2. Step 2: Convert to fraction form
    18,277.74/25,224.03 = 11,112.48/x
  3. Step 3: Cross multiply
    18,277.74x = 25,224.03 × 11,112.48
  4. Step 4: Simplify right side
    18,277.74x = 280,301,528.89
  5. Step 5: Solve for x
    x = 280,301,528.89/18,277.74
  6. Step 6: Final answer
    x = 15,335.68

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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.