Home / 19,982.13-27,575.36-11,030.25

Finding the Fourth Proportional to 19,982.13, 27,575.36 and 11,030.25

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Solution

The fourth proportional to 19,982.13, 27,575.36 and 11,030.25 is: 15,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.13 : 27,575.36 = 11,030.25 : x
  2. Step 2: Convert to fraction form
    19,982.13/27,575.36 = 11,030.25/x
  3. Step 3: Cross multiply
    19,982.13x = 27,575.36 × 11,030.25
  4. Step 4: Simplify right side
    19,982.13x = 304,163,059.49
  5. Step 5: Solve for x
    x = 304,163,059.49/19,982.13
  6. Step 6: Final answer
    x = 15,221.75

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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.