Home / 19,986.69-27,581.63-11,034.20

Finding the Fourth Proportional to 19,986.69, 27,581.63 and 11,034.20

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Solution

The fourth proportional to 19,986.69, 27,581.63 and 11,034.20 is: 15,227.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.69 : 27,581.63 = 11,034.20 : x
  2. Step 2: Convert to fraction form
    19,986.69/27,581.63 = 11,034.20/x
  3. Step 3: Cross multiply
    19,986.69x = 27,581.63 × 11,034.20
  4. Step 4: Simplify right side
    19,986.69x = 304,341,083.84
  5. Step 5: Solve for x
    x = 304,341,083.84/19,986.69
  6. Step 6: Final answer
    x = 15,227.19

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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.