Home / 27,705.60-38,194.20-17,088.12

Finding the Fourth Proportional to 27,705.60, 38,194.20 and 17,088.12

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Solution

The fourth proportional to 27,705.60, 38,194.20 and 17,088.12 is: 23,557.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,705.60 : 38,194.20 = 17,088.12 : x
  2. Step 2: Convert to fraction form
    27,705.60/38,194.20 = 17,088.12/x
  3. Step 3: Cross multiply
    27,705.60x = 38,194.20 × 17,088.12
  4. Step 4: Simplify right side
    27,705.60x = 652,667,072.90
  5. Step 5: Solve for x
    x = 652,667,072.90/27,705.60
  6. Step 6: Final answer
    x = 23,557.23

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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.