Home / 15,667.17-21,620.97-8,593.58

Finding the Fourth Proportional to 15,667.17, 21,620.97 and 8,593.58

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Solution

The fourth proportional to 15,667.17, 21,620.97 and 8,593.58 is: 11,859.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667.17 : 21,620.97 = 8,593.58 : x
  2. Step 2: Convert to fraction form
    15,667.17/21,620.97 = 8,593.58/x
  3. Step 3: Cross multiply
    15,667.17x = 21,620.97 × 8,593.58
  4. Step 4: Simplify right side
    15,667.17x = 185,801,427.27
  5. Step 5: Solve for x
    x = 185,801,427.27/15,667.17
  6. Step 6: Final answer
    x = 11,859.28

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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.