Home / 36,675.85-55,015.89-10,378.39

Finding the Fourth Proportional to 36,675.85, 55,015.89 and 10,378.39

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Solution

The fourth proportional to 36,675.85, 55,015.89 and 10,378.39 is: 15,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,675.85 : 55,015.89 = 10,378.39 : x
  2. Step 2: Convert to fraction form
    36,675.85/55,015.89 = 10,378.39/x
  3. Step 3: Cross multiply
    36,675.85x = 55,015.89 × 10,378.39
  4. Step 4: Simplify right side
    36,675.85x = 570,976,362.62
  5. Step 5: Solve for x
    x = 570,976,362.62/36,675.85
  6. Step 6: Final answer
    x = 15,568.18

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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.