Home / 13,900.97-19,186.93-8,592.68

Finding the Fourth Proportional to 13,900.97, 19,186.93 and 8,592.68

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Solution

The fourth proportional to 13,900.97, 19,186.93 and 8,592.68 is: 11,860.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.97 : 19,186.93 = 8,592.68 : x
  2. Step 2: Convert to fraction form
    13,900.97/19,186.93 = 8,592.68/x
  3. Step 3: Cross multiply
    13,900.97x = 19,186.93 × 8,592.68
  4. Step 4: Simplify right side
    13,900.97x = 164,867,160.05
  5. Step 5: Solve for x
    x = 164,867,160.05/13,900.97
  6. Step 6: Final answer
    x = 11,860.12

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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.