Home / 13,110.22-18,076.44-10,711.35

Finding the Fourth Proportional to 13,110.22, 18,076.44 and 10,711.35

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Solution

The fourth proportional to 13,110.22, 18,076.44 and 10,711.35 is: 14,768.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.22 : 18,076.44 = 10,711.35 : x
  2. Step 2: Convert to fraction form
    13,110.22/18,076.44 = 10,711.35/x
  3. Step 3: Cross multiply
    13,110.22x = 18,076.44 × 10,711.35
  4. Step 4: Simplify right side
    13,110.22x = 193,623,022.04
  5. Step 5: Solve for x
    x = 193,623,022.04/13,110.22
  6. Step 6: Final answer
    x = 14,768.86

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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.