Home / 18,025.39-27,040.65-5,546.45

Finding the Fourth Proportional to 18,025.39, 27,040.65 and 5,546.45

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Solution

The fourth proportional to 18,025.39, 27,040.65 and 5,546.45 is: 8,320.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025.39 : 27,040.65 = 5,546.45 : x
  2. Step 2: Convert to fraction form
    18,025.39/27,040.65 = 5,546.45/x
  3. Step 3: Cross multiply
    18,025.39x = 27,040.65 × 5,546.45
  4. Step 4: Simplify right side
    18,025.39x = 149,979,613.19
  5. Step 5: Solve for x
    x = 149,979,613.19/18,025.39
  6. Step 6: Final answer
    x = 8,320.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.