Home / 19,727.48-27,192.30-13,352.06

Finding the Fourth Proportional to 19,727.48, 27,192.30 and 13,352.06

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Solution

The fourth proportional to 19,727.48, 27,192.30 and 13,352.06 is: 18,404.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.48 : 27,192.30 = 13,352.06 : x
  2. Step 2: Convert to fraction form
    19,727.48/27,192.30 = 13,352.06/x
  3. Step 3: Cross multiply
    19,727.48x = 27,192.30 × 13,352.06
  4. Step 4: Simplify right side
    19,727.48x = 363,073,221.14
  5. Step 5: Solve for x
    x = 363,073,221.14/19,727.48
  6. Step 6: Final answer
    x = 18,404.44

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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.