Home / 20,222.13-30,337.52-7,074.93

Finding the Fourth Proportional to 20,222.13, 30,337.52 and 7,074.93

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Solution

The fourth proportional to 20,222.13, 30,337.52 and 7,074.93 is: 10,613.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222.13 : 30,337.52 = 7,074.93 : x
  2. Step 2: Convert to fraction form
    20,222.13/30,337.52 = 7,074.93/x
  3. Step 3: Cross multiply
    20,222.13x = 30,337.52 × 7,074.93
  4. Step 4: Simplify right side
    20,222.13x = 214,635,795.00
  5. Step 5: Solve for x
    x = 214,635,795.00/20,222.13
  6. Step 6: Final answer
    x = 10,613.91

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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.