Home / 16,782.30-23,160.78-10,067.76

Finding the Fourth Proportional to 16,782.30, 23,160.78 and 10,067.76

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Solution

The fourth proportional to 16,782.30, 23,160.78 and 10,067.76 is: 13,894.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.30 : 23,160.78 = 10,067.76 : x
  2. Step 2: Convert to fraction form
    16,782.30/23,160.78 = 10,067.76/x
  3. Step 3: Cross multiply
    16,782.30x = 23,160.78 × 10,067.76
  4. Step 4: Simplify right side
    16,782.30x = 233,177,174.45
  5. Step 5: Solve for x
    x = 233,177,174.45/16,782.30
  6. Step 6: Final answer
    x = 13,894.23

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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.