Home / 20,347.24-30,523.92-7,199.74

Finding the Fourth Proportional to 20,347.24, 30,523.92 and 7,199.74

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Solution

The fourth proportional to 20,347.24, 30,523.92 and 7,199.74 is: 10,800.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,347.24 : 30,523.92 = 7,199.74 : x
  2. Step 2: Convert to fraction form
    20,347.24/30,523.92 = 7,199.74/x
  3. Step 3: Cross multiply
    20,347.24x = 30,523.92 × 7,199.74
  4. Step 4: Simplify right side
    20,347.24x = 219,764,287.78
  5. Step 5: Solve for x
    x = 219,764,287.78/20,347.24
  6. Step 6: Final answer
    x = 10,800.69

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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.