Home / 13,027.74-17,991.12-12,593.58

Finding the Fourth Proportional to 13,027.74, 17,991.12 and 12,593.58

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Solution

The fourth proportional to 13,027.74, 17,991.12 and 12,593.58 is: 17,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027.74 : 17,991.12 = 12,593.58 : x
  2. Step 2: Convert to fraction form
    13,027.74/17,991.12 = 12,593.58/x
  3. Step 3: Cross multiply
    13,027.74x = 17,991.12 × 12,593.58
  4. Step 4: Simplify right side
    13,027.74x = 226,572,609.01
  5. Step 5: Solve for x
    x = 226,572,609.01/13,027.74
  6. Step 6: Final answer
    x = 17,391.55

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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.