Home / 16,101.89-22,223.79-9,388.59

Finding the Fourth Proportional to 16,101.89, 22,223.79 and 9,388.59

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Solution

The fourth proportional to 16,101.89, 22,223.79 and 9,388.59 is: 12,958.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,101.89 : 22,223.79 = 9,388.59 : x
  2. Step 2: Convert to fraction form
    16,101.89/22,223.79 = 9,388.59/x
  3. Step 3: Cross multiply
    16,101.89x = 22,223.79 × 9,388.59
  4. Step 4: Simplify right side
    16,101.89x = 208,650,076.03
  5. Step 5: Solve for x
    x = 208,650,076.03/16,101.89
  6. Step 6: Final answer
    x = 12,958.11

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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.