Home / 20,198.04-30,302.12-7,050.52

Finding the Fourth Proportional to 20,198.04, 30,302.12 and 7,050.52

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Solution

The fourth proportional to 20,198.04, 30,302.12 and 7,050.52 is: 10,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198.04 : 30,302.12 = 7,050.52 : x
  2. Step 2: Convert to fraction form
    20,198.04/30,302.12 = 7,050.52/x
  3. Step 3: Cross multiply
    20,198.04x = 30,302.12 × 7,050.52
  4. Step 4: Simplify right side
    20,198.04x = 213,645,703.10
  5. Step 5: Solve for x
    x = 213,645,703.10/20,198.04
  6. Step 6: Final answer
    x = 10,577.55

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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.