Home / 13,052.33-19,578.50-3,191.60

Finding the Fourth Proportional to 13,052.33, 19,578.50 and 3,191.60

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Solution

The fourth proportional to 13,052.33, 19,578.50 and 3,191.60 is: 4,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.33 : 19,578.50 = 3,191.60 : x
  2. Step 2: Convert to fraction form
    13,052.33/19,578.50 = 3,191.60/x
  3. Step 3: Cross multiply
    13,052.33x = 19,578.50 × 3,191.60
  4. Step 4: Simplify right side
    13,052.33x = 62,486,740.60
  5. Step 5: Solve for x
    x = 62,486,740.60/13,052.33
  6. Step 6: Final answer
    x = 4,787.40

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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.