Home / 20,065.85-30,099.06-9,536.94

Finding the Fourth Proportional to 20,065.85, 30,099.06 and 9,536.94

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Solution

The fourth proportional to 20,065.85, 30,099.06 and 9,536.94 is: 14,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065.85 : 30,099.06 = 9,536.94 : x
  2. Step 2: Convert to fraction form
    20,065.85/30,099.06 = 9,536.94/x
  3. Step 3: Cross multiply
    20,065.85x = 30,099.06 × 9,536.94
  4. Step 4: Simplify right side
    20,065.85x = 287,052,965.04
  5. Step 5: Solve for x
    x = 287,052,965.04/20,065.85
  6. Step 6: Final answer
    x = 14,305.55

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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.