Home / 16,997.78-23,456.78-9,444.13

Finding the Fourth Proportional to 16,997.78, 23,456.78 and 9,444.13

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Solution

The fourth proportional to 16,997.78, 23,456.78 and 9,444.13 is: 13,032.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,997.78 : 23,456.78 = 9,444.13 : x
  2. Step 2: Convert to fraction form
    16,997.78/23,456.78 = 9,444.13/x
  3. Step 3: Cross multiply
    16,997.78x = 23,456.78 × 9,444.13
  4. Step 4: Simplify right side
    16,997.78x = 221,528,879.70
  5. Step 5: Solve for x
    x = 221,528,879.70/16,997.78
  6. Step 6: Final answer
    x = 13,032.81

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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.