Home / 20,626.16-28,463.90-11,673.59

Finding the Fourth Proportional to 20,626.16, 28,463.90 and 11,673.59

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Solution

The fourth proportional to 20,626.16, 28,463.90 and 11,673.59 is: 16,109.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.16 : 28,463.90 = 11,673.59 : x
  2. Step 2: Convert to fraction form
    20,626.16/28,463.90 = 11,673.59/x
  3. Step 3: Cross multiply
    20,626.16x = 28,463.90 × 11,673.59
  4. Step 4: Simplify right side
    20,626.16x = 332,275,697.71
  5. Step 5: Solve for x
    x = 332,275,697.71/20,626.16
  6. Step 6: Final answer
    x = 16,109.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.