Home / 27,240.76-37,605.12-18,181.12

Finding the Fourth Proportional to 27,240.76, 37,605.12 and 18,181.12

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Solution

The fourth proportional to 27,240.76, 37,605.12 and 18,181.12 is: 25,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,240.76 : 37,605.12 = 18,181.12 : x
  2. Step 2: Convert to fraction form
    27,240.76/37,605.12 = 18,181.12/x
  3. Step 3: Cross multiply
    27,240.76x = 37,605.12 × 18,181.12
  4. Step 4: Simplify right side
    27,240.76x = 683,703,199.33
  5. Step 5: Solve for x
    x = 683,703,199.33/27,240.76
  6. Step 6: Final answer
    x = 25,098.54

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Half scale
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Double scale
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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.