Home / 19,121.13-26,321.66-16,588.33

Finding the Fourth Proportional to 19,121.13, 26,321.66 and 16,588.33

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Solution

The fourth proportional to 19,121.13, 26,321.66 and 16,588.33 is: 22,835.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.13 : 26,321.66 = 16,588.33 : x
  2. Step 2: Convert to fraction form
    19,121.13/26,321.66 = 16,588.33/x
  3. Step 3: Cross multiply
    19,121.13x = 26,321.66 × 16,588.33
  4. Step 4: Simplify right side
    19,121.13x = 436,632,295.69
  5. Step 5: Solve for x
    x = 436,632,295.69/19,121.13
  6. Step 6: Final answer
    x = 22,835.07

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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.