Home / 27,257.58-37,580.76-18,290.88

Finding the Fourth Proportional to 27,257.58, 37,580.76 and 18,290.88

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Solution

The fourth proportional to 27,257.58, 37,580.76 and 18,290.88 is: 25,218.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,257.58 : 37,580.76 = 18,290.88 : x
  2. Step 2: Convert to fraction form
    27,257.58/37,580.76 = 18,290.88/x
  3. Step 3: Cross multiply
    27,257.58x = 37,580.76 × 18,290.88
  4. Step 4: Simplify right side
    27,257.58x = 687,385,171.47
  5. Step 5: Solve for x
    x = 687,385,171.47/27,257.58
  6. Step 6: Final answer
    x = 25,218.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.