Home / 16,687.86-23,026.97-9,972.07

Finding the Fourth Proportional to 16,687.86, 23,026.97 and 9,972.07

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Solution

The fourth proportional to 16,687.86, 23,026.97 and 9,972.07 is: 13,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.86 : 23,026.97 = 9,972.07 : x
  2. Step 2: Convert to fraction form
    16,687.86/23,026.97 = 9,972.07/x
  3. Step 3: Cross multiply
    16,687.86x = 23,026.97 × 9,972.07
  4. Step 4: Simplify right side
    16,687.86x = 229,626,556.73
  5. Step 5: Solve for x
    x = 229,626,556.73/16,687.86
  6. Step 6: Final answer
    x = 13,760.10

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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.