Home / 27,522.48-37,996.76-18,118.38

Finding the Fourth Proportional to 27,522.48, 37,996.76 and 18,118.38

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Solution

The fourth proportional to 27,522.48, 37,996.76 and 18,118.38 is: 25,013.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,522.48 : 37,996.76 = 18,118.38 : x
  2. Step 2: Convert to fraction form
    27,522.48/37,996.76 = 18,118.38/x
  3. Step 3: Cross multiply
    27,522.48x = 37,996.76 × 18,118.38
  4. Step 4: Simplify right side
    27,522.48x = 688,439,736.45
  5. Step 5: Solve for x
    x = 688,439,736.45/27,522.48
  6. Step 6: Final answer
    x = 25,013.72

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Half scale
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Similar ratio
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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.