Home / 20,195.61-27,847.44-17,359.80

Finding the Fourth Proportional to 20,195.61, 27,847.44 and 17,359.80

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Solution

The fourth proportional to 20,195.61, 27,847.44 and 17,359.80 is: 23,937.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.61 : 27,847.44 = 17,359.80 : x
  2. Step 2: Convert to fraction form
    20,195.61/27,847.44 = 17,359.80/x
  3. Step 3: Cross multiply
    20,195.61x = 27,847.44 × 17,359.80
  4. Step 4: Simplify right side
    20,195.61x = 483,425,988.91
  5. Step 5: Solve for x
    x = 483,425,988.91/20,195.61
  6. Step 6: Final answer
    x = 23,937.18

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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.