Home / 19,853.96-27,398.85-10,901.38

Finding the Fourth Proportional to 19,853.96, 27,398.85 and 10,901.38

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Solution

The fourth proportional to 19,853.96, 27,398.85 and 10,901.38 is: 15,044.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.96 : 27,398.85 = 10,901.38 : x
  2. Step 2: Convert to fraction form
    19,853.96/27,398.85 = 10,901.38/x
  3. Step 3: Cross multiply
    19,853.96x = 27,398.85 × 10,901.38
  4. Step 4: Simplify right side
    19,853.96x = 298,685,206.92
  5. Step 5: Solve for x
    x = 298,685,206.92/19,853.96
  6. Step 6: Final answer
    x = 15,044.12

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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.