Home / 19,965.38-27,552.04-11,012.95

Finding the Fourth Proportional to 19,965.38, 27,552.04 and 11,012.95

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Solution

The fourth proportional to 19,965.38, 27,552.04 and 11,012.95 is: 15,197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965.38 : 27,552.04 = 11,012.95 : x
  2. Step 2: Convert to fraction form
    19,965.38/27,552.04 = 11,012.95/x
  3. Step 3: Cross multiply
    19,965.38x = 27,552.04 × 11,012.95
  4. Step 4: Simplify right side
    19,965.38x = 303,429,238.92
  5. Step 5: Solve for x
    x = 303,429,238.92/19,965.38
  6. Step 6: Final answer
    x = 15,197.77

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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.