Home / 18,180.54-27,270.81-5,032.91

Finding the Fourth Proportional to 18,180.54, 27,270.81 and 5,032.91

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Solution

The fourth proportional to 18,180.54, 27,270.81 and 5,032.91 is: 7,549.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.54 : 27,270.81 = 5,032.91 : x
  2. Step 2: Convert to fraction form
    18,180.54/27,270.81 = 5,032.91/x
  3. Step 3: Cross multiply
    18,180.54x = 27,270.81 × 5,032.91
  4. Step 4: Simplify right side
    18,180.54x = 137,251,396.00
  5. Step 5: Solve for x
    x = 137,251,396.00/18,180.54
  6. Step 6: Final answer
    x = 7,549.36

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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.