Home / 20,260.75-27,962.67-14,614.21

Finding the Fourth Proportional to 20,260.75, 27,962.67 and 14,614.21

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Solution

The fourth proportional to 20,260.75, 27,962.67 and 14,614.21 is: 20,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.75 : 27,962.67 = 14,614.21 : x
  2. Step 2: Convert to fraction form
    20,260.75/27,962.67 = 14,614.21/x
  3. Step 3: Cross multiply
    20,260.75x = 27,962.67 × 14,614.21
  4. Step 4: Simplify right side
    20,260.75x = 408,652,331.54
  5. Step 5: Solve for x
    x = 408,652,331.54/20,260.75
  6. Step 6: Final answer
    x = 20,169.65

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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.