Home / 19,961.93-27,553.22-13,995.06

Finding the Fourth Proportional to 19,961.93, 27,553.22 and 13,995.06

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Solution

The fourth proportional to 19,961.93, 27,553.22 and 13,995.06 is: 19,317.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.93 : 27,553.22 = 13,995.06 : x
  2. Step 2: Convert to fraction form
    19,961.93/27,553.22 = 13,995.06/x
  3. Step 3: Cross multiply
    19,961.93x = 27,553.22 × 13,995.06
  4. Step 4: Simplify right side
    19,961.93x = 385,608,897.12
  5. Step 5: Solve for x
    x = 385,608,897.12/19,961.93
  6. Step 6: Final answer
    x = 19,317.22

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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.