Home / 18,549.68-27,825.80-7,456.39

Finding the Fourth Proportional to 18,549.68, 27,825.80 and 7,456.39

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Solution

The fourth proportional to 18,549.68, 27,825.80 and 7,456.39 is: 11,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.68 : 27,825.80 = 7,456.39 : x
  2. Step 2: Convert to fraction form
    18,549.68/27,825.80 = 7,456.39/x
  3. Step 3: Cross multiply
    18,549.68x = 27,825.80 × 7,456.39
  4. Step 4: Simplify right side
    18,549.68x = 207,479,910.02
  5. Step 5: Solve for x
    x = 207,479,910.02/18,549.68
  6. Step 6: Final answer
    x = 11,185.10

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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.