Home / 18,431.15-27,648.52-7,335.25

Finding the Fourth Proportional to 18,431.15, 27,648.52 and 7,335.25

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Solution

The fourth proportional to 18,431.15, 27,648.52 and 7,335.25 is: 11,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431.15 : 27,648.52 = 7,335.25 : x
  2. Step 2: Convert to fraction form
    18,431.15/27,648.52 = 7,335.25/x
  3. Step 3: Cross multiply
    18,431.15x = 27,648.52 × 7,335.25
  4. Step 4: Simplify right side
    18,431.15x = 202,808,806.33
  5. Step 5: Solve for x
    x = 202,808,806.33/18,431.15
  6. Step 6: Final answer
    x = 11,003.59

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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.