Home / 19,918.82-27,486.97-10,967.10

Finding the Fourth Proportional to 19,918.82, 27,486.97 and 10,967.10

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Solution

The fourth proportional to 19,918.82, 27,486.97 and 10,967.10 is: 15,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.82 : 27,486.97 = 10,967.10 : x
  2. Step 2: Convert to fraction form
    19,918.82/27,486.97 = 10,967.10/x
  3. Step 3: Cross multiply
    19,918.82x = 27,486.97 × 10,967.10
  4. Step 4: Simplify right side
    19,918.82x = 301,452,348.69
  5. Step 5: Solve for x
    x = 301,452,348.69/19,918.82
  6. Step 6: Final answer
    x = 15,134.05

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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.