Home / 27,127.98-37,436.99-15,191.21

Finding the Fourth Proportional to 27,127.98, 37,436.99 and 15,191.21

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Solution

The fourth proportional to 27,127.98, 37,436.99 and 15,191.21 is: 20,964.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,127.98 : 37,436.99 = 15,191.21 : x
  2. Step 2: Convert to fraction form
    27,127.98/37,436.99 = 15,191.21/x
  3. Step 3: Cross multiply
    27,127.98x = 37,436.99 × 15,191.21
  4. Step 4: Simplify right side
    27,127.98x = 568,713,194.49
  5. Step 5: Solve for x
    x = 568,713,194.49/27,127.98
  6. Step 6: Final answer
    x = 20,964.08

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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.