Home / 15,588.90-23,383.35-3,902.10

Finding the Fourth Proportional to 15,588.90, 23,383.35 and 3,902.10

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Solution

The fourth proportional to 15,588.90, 23,383.35 and 3,902.10 is: 5,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588.90 : 23,383.35 = 3,902.10 : x
  2. Step 2: Convert to fraction form
    15,588.90/23,383.35 = 3,902.10/x
  3. Step 3: Cross multiply
    15,588.90x = 23,383.35 × 3,902.10
  4. Step 4: Simplify right side
    15,588.90x = 91,244,170.04
  5. Step 5: Solve for x
    x = 91,244,170.04/15,588.90
  6. Step 6: Final answer
    x = 5,853.15

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.