Home / 19,888.83-27,447.26-10,936.71

Finding the Fourth Proportional to 19,888.83, 27,447.26 and 10,936.71

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Solution

The fourth proportional to 19,888.83, 27,447.26 and 10,936.71 is: 15,093.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.83 : 27,447.26 = 10,936.71 : x
  2. Step 2: Convert to fraction form
    19,888.83/27,447.26 = 10,936.71/x
  3. Step 3: Cross multiply
    19,888.83x = 27,447.26 × 10,936.71
  4. Step 4: Simplify right side
    19,888.83x = 300,182,668.23
  5. Step 5: Solve for x
    x = 300,182,668.23/19,888.83
  6. Step 6: Final answer
    x = 15,093.03

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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.