Home / 27,647.56-38,141.60-17,570.60

Finding the Fourth Proportional to 27,647.56, 38,141.60 and 17,570.60

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Solution

The fourth proportional to 27,647.56, 38,141.60 and 17,570.60 is: 24,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,647.56 : 38,141.60 = 17,570.60 : x
  2. Step 2: Convert to fraction form
    27,647.56/38,141.60 = 17,570.60/x
  3. Step 3: Cross multiply
    27,647.56x = 38,141.60 × 17,570.60
  4. Step 4: Simplify right side
    27,647.56x = 670,170,709.11
  5. Step 5: Solve for x
    x = 670,170,709.11/27,647.56
  6. Step 6: Final answer
    x = 24,239.78

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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.