Home / 27,910.08-38,476.08-19,949.40

Finding the Fourth Proportional to 27,910.08, 38,476.08 and 19,949.40

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Solution

The fourth proportional to 27,910.08, 38,476.08 and 19,949.40 is: 27,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.08 : 38,476.08 = 19,949.40 : x
  2. Step 2: Convert to fraction form
    27,910.08/38,476.08 = 19,949.40/x
  3. Step 3: Cross multiply
    27,910.08x = 38,476.08 × 19,949.40
  4. Step 4: Simplify right side
    27,910.08x = 767,574,710.35
  5. Step 5: Solve for x
    x = 767,574,710.35/27,910.08
  6. Step 6: Final answer
    x = 27,501.70

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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.