Home / 23,172.91-31,954.62-19,826.80

Finding the Fourth Proportional to 23,172.91, 31,954.62 and 19,826.80

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Solution

The fourth proportional to 23,172.91, 31,954.62 and 19,826.80 is: 27,340.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,172.91 : 31,954.62 = 19,826.80 : x
  2. Step 2: Convert to fraction form
    23,172.91/31,954.62 = 19,826.80/x
  3. Step 3: Cross multiply
    23,172.91x = 31,954.62 × 19,826.80
  4. Step 4: Simplify right side
    23,172.91x = 633,557,859.82
  5. Step 5: Solve for x
    x = 633,557,859.82/23,172.91
  6. Step 6: Final answer
    x = 27,340.45

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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.