Home / 19,962.43-27,553.90-13,995.56

Finding the Fourth Proportional to 19,962.43, 27,553.90 and 13,995.56

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Solution

The fourth proportional to 19,962.43, 27,553.90 and 13,995.56 is: 19,317.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.43 : 27,553.90 = 13,995.56 : x
  2. Step 2: Convert to fraction form
    19,962.43/27,553.90 = 13,995.56/x
  3. Step 3: Cross multiply
    19,962.43x = 27,553.90 × 13,995.56
  4. Step 4: Simplify right side
    19,962.43x = 385,632,260.68
  5. Step 5: Solve for x
    x = 385,632,260.68/19,962.43
  6. Step 6: Final answer
    x = 19,317.90

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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.