Home / 19,622.29-27,078.62-10,669.80

Finding the Fourth Proportional to 19,622.29, 27,078.62 and 10,669.80

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Solution

The fourth proportional to 19,622.29, 27,078.62 and 10,669.80 is: 14,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.29 : 27,078.62 = 10,669.80 : x
  2. Step 2: Convert to fraction form
    19,622.29/27,078.62 = 10,669.80/x
  3. Step 3: Cross multiply
    19,622.29x = 27,078.62 × 10,669.80
  4. Step 4: Simplify right side
    19,622.29x = 288,923,324.28
  5. Step 5: Solve for x
    x = 288,923,324.28/19,622.29
  6. Step 6: Final answer
    x = 14,724.24

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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.