Home / 19,971.07-27,560.24-11,019.18

Finding the Fourth Proportional to 19,971.07, 27,560.24 and 11,019.18

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Solution

The fourth proportional to 19,971.07, 27,560.24 and 11,019.18 is: 15,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.07 : 27,560.24 = 11,019.18 : x
  2. Step 2: Convert to fraction form
    19,971.07/27,560.24 = 11,019.18/x
  3. Step 3: Cross multiply
    19,971.07x = 27,560.24 × 11,019.18
  4. Step 4: Simplify right side
    19,971.07x = 303,691,195.43
  5. Step 5: Solve for x
    x = 303,691,195.43/19,971.07
  6. Step 6: Final answer
    x = 15,206.56

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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.