Home / 18,151.12-27,228.54-5,003.48

Finding the Fourth Proportional to 18,151.12, 27,228.54 and 5,003.48

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Solution

The fourth proportional to 18,151.12, 27,228.54 and 5,003.48 is: 7,505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.12 : 27,228.54 = 5,003.48 : x
  2. Step 2: Convert to fraction form
    18,151.12/27,228.54 = 5,003.48/x
  3. Step 3: Cross multiply
    18,151.12x = 27,228.54 × 5,003.48
  4. Step 4: Simplify right side
    18,151.12x = 136,237,455.32
  5. Step 5: Solve for x
    x = 136,237,455.32/18,151.12
  6. Step 6: Final answer
    x = 7,505.73

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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.