Home / 16,108.90-22,228.41-9,739.33

Finding the Fourth Proportional to 16,108.90, 22,228.41 and 9,739.33

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Solution

The fourth proportional to 16,108.90, 22,228.41 and 9,739.33 is: 13,439.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,108.90 : 22,228.41 = 9,739.33 : x
  2. Step 2: Convert to fraction form
    16,108.90/22,228.41 = 9,739.33/x
  3. Step 3: Cross multiply
    16,108.90x = 22,228.41 × 9,739.33
  4. Step 4: Simplify right side
    16,108.90x = 216,489,820.37
  5. Step 5: Solve for x
    x = 216,489,820.37/16,108.90
  6. Step 6: Final answer
    x = 13,439.14

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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.