Home / 35,974.12-53,961.70-13,788.62

Finding the Fourth Proportional to 35,974.12, 53,961.70 and 13,788.62

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Solution

The fourth proportional to 35,974.12, 53,961.70 and 13,788.62 is: 20,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,974.12 : 53,961.70 = 13,788.62 : x
  2. Step 2: Convert to fraction form
    35,974.12/53,961.70 = 13,788.62/x
  3. Step 3: Cross multiply
    35,974.12x = 53,961.70 × 13,788.62
  4. Step 4: Simplify right side
    35,974.12x = 744,057,375.85
  5. Step 5: Solve for x
    x = 744,057,375.85/35,974.12
  6. Step 6: Final answer
    x = 20,683.13

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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.