Home / 20,624.46-30,909.14-10,743.02

Finding the Fourth Proportional to 20,624.46, 30,909.14 and 10,743.02

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Solution

The fourth proportional to 20,624.46, 30,909.14 and 10,743.02 is: 16,100.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624.46 : 30,909.14 = 10,743.02 : x
  2. Step 2: Convert to fraction form
    20,624.46/30,909.14 = 10,743.02/x
  3. Step 3: Cross multiply
    20,624.46x = 30,909.14 × 10,743.02
  4. Step 4: Simplify right side
    20,624.46x = 332,057,509.20
  5. Step 5: Solve for x
    x = 332,057,509.20/20,624.46
  6. Step 6: Final answer
    x = 16,100.18

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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.