Home / 19,691.94-27,180.05-11,199.03

Finding the Fourth Proportional to 19,691.94, 27,180.05 and 11,199.03

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Solution

The fourth proportional to 19,691.94, 27,180.05 and 11,199.03 is: 15,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691.94 : 27,180.05 = 11,199.03 : x
  2. Step 2: Convert to fraction form
    19,691.94/27,180.05 = 11,199.03/x
  3. Step 3: Cross multiply
    19,691.94x = 27,180.05 × 11,199.03
  4. Step 4: Simplify right side
    19,691.94x = 304,390,139.36
  5. Step 5: Solve for x
    x = 304,390,139.36/19,691.94
  6. Step 6: Final answer
    x = 15,457.60

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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.