Home / 27,805.17-38,351.21-17,723.19

Finding the Fourth Proportional to 27,805.17, 38,351.21 and 17,723.19

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Solution

The fourth proportional to 27,805.17, 38,351.21 and 17,723.19 is: 24,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,805.17 : 38,351.21 = 17,723.19 : x
  2. Step 2: Convert to fraction form
    27,805.17/38,351.21 = 17,723.19/x
  3. Step 3: Cross multiply
    27,805.17x = 38,351.21 × 17,723.19
  4. Step 4: Simplify right side
    27,805.17x = 679,705,692.94
  5. Step 5: Solve for x
    x = 679,705,692.94/27,805.17
  6. Step 6: Final answer
    x = 24,445.30

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Half scale
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Double 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.