Home / 39,112.21-58,647.12-13,799.04

Finding the Fourth Proportional to 39,112.21, 58,647.12 and 13,799.04

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Solution

The fourth proportional to 39,112.21, 58,647.12 and 13,799.04 is: 20,691.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,112.21 : 58,647.12 = 13,799.04 : x
  2. Step 2: Convert to fraction form
    39,112.21/58,647.12 = 13,799.04/x
  3. Step 3: Cross multiply
    39,112.21x = 58,647.12 × 13,799.04
  4. Step 4: Simplify right side
    39,112.21x = 809,273,954.76
  5. Step 5: Solve for x
    x = 809,273,954.76/39,112.21
  6. Step 6: Final answer
    x = 20,691.08

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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.