Home / 19,986.77-27,581.88-11,034.85

Finding the Fourth Proportional to 19,986.77, 27,581.88 and 11,034.85

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Solution

The fourth proportional to 19,986.77, 27,581.88 and 11,034.85 is: 15,228.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.77 : 27,581.88 = 11,034.85 : x
  2. Step 2: Convert to fraction form
    19,986.77/27,581.88 = 11,034.85/x
  3. Step 3: Cross multiply
    19,986.77x = 27,581.88 × 11,034.85
  4. Step 4: Simplify right side
    19,986.77x = 304,361,908.52
  5. Step 5: Solve for x
    x = 304,361,908.52/19,986.77
  6. Step 6: Final answer
    x = 15,228.17

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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.