Home / 20,044.55-27,664.39-11,545.01

Finding the Fourth Proportional to 20,044.55, 27,664.39 and 11,545.01

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Solution

The fourth proportional to 20,044.55, 27,664.39 and 11,545.01 is: 15,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044.55 : 27,664.39 = 11,545.01 : x
  2. Step 2: Convert to fraction form
    20,044.55/27,664.39 = 11,545.01/x
  3. Step 3: Cross multiply
    20,044.55x = 27,664.39 × 11,545.01
  4. Step 4: Simplify right side
    20,044.55x = 319,385,659.19
  5. Step 5: Solve for x
    x = 319,385,659.19/20,044.55
  6. Step 6: Final answer
    x = 15,933.79

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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.