Home / 20,213.03-30,320.67-6,175.19

Finding the Fourth Proportional to 20,213.03, 30,320.67 and 6,175.19

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Solution

The fourth proportional to 20,213.03, 30,320.67 and 6,175.19 is: 9,263.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213.03 : 30,320.67 = 6,175.19 : x
  2. Step 2: Convert to fraction form
    20,213.03/30,320.67 = 6,175.19/x
  3. Step 3: Cross multiply
    20,213.03x = 30,320.67 × 6,175.19
  4. Step 4: Simplify right side
    20,213.03x = 187,235,898.18
  5. Step 5: Solve for x
    x = 187,235,898.18/20,213.03
  6. Step 6: Final answer
    x = 9,263.13

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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.