Home / 20,192.19-27,862.58-11,240.07

Finding the Fourth Proportional to 20,192.19, 27,862.58 and 11,240.07

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Solution

The fourth proportional to 20,192.19, 27,862.58 and 11,240.07 is: 15,509.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.19 : 27,862.58 = 11,240.07 : x
  2. Step 2: Convert to fraction form
    20,192.19/27,862.58 = 11,240.07/x
  3. Step 3: Cross multiply
    20,192.19x = 27,862.58 × 11,240.07
  4. Step 4: Simplify right side
    20,192.19x = 313,177,349.58
  5. Step 5: Solve for x
    x = 313,177,349.58/20,192.19
  6. Step 6: Final answer
    x = 15,509.83

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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.