Home / 20,616.25-30,933.06-10,095.55

Finding the Fourth Proportional to 20,616.25, 30,933.06 and 10,095.55

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Solution

The fourth proportional to 20,616.25, 30,933.06 and 10,095.55 is: 15,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616.25 : 30,933.06 = 10,095.55 : x
  2. Step 2: Convert to fraction form
    20,616.25/30,933.06 = 10,095.55/x
  3. Step 3: Cross multiply
    20,616.25x = 30,933.06 × 10,095.55
  4. Step 4: Simplify right side
    20,616.25x = 312,286,253.88
  5. Step 5: Solve for x
    x = 312,286,253.88/20,616.25
  6. Step 6: Final answer
    x = 15,147.58

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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.