Home / 19,965.62-27,553.91-11,582.12

Finding the Fourth Proportional to 19,965.62, 27,553.91 and 11,582.12

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Solution

The fourth proportional to 19,965.62, 27,553.91 and 11,582.12 is: 15,984.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965.62 : 27,553.91 = 11,582.12 : x
  2. Step 2: Convert to fraction form
    19,965.62/27,553.91 = 11,582.12/x
  3. Step 3: Cross multiply
    19,965.62x = 27,553.91 × 11,582.12
  4. Step 4: Simplify right side
    19,965.62x = 319,132,703.06
  5. Step 5: Solve for x
    x = 319,132,703.06/19,965.62
  6. Step 6: Final answer
    x = 15,984.11

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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.