Home / 18,188.26-27,281.16-7,092.88

Finding the Fourth Proportional to 18,188.26, 27,281.16 and 7,092.88

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Solution

The fourth proportional to 18,188.26, 27,281.16 and 7,092.88 is: 10,638.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.26 : 27,281.16 = 7,092.88 : x
  2. Step 2: Convert to fraction form
    18,188.26/27,281.16 = 7,092.88/x
  3. Step 3: Cross multiply
    18,188.26x = 27,281.16 × 7,092.88
  4. Step 4: Simplify right side
    18,188.26x = 193,501,994.14
  5. Step 5: Solve for x
    x = 193,501,994.14/18,188.26
  6. Step 6: Final answer
    x = 10,638.84

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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.