Home / 13,701.66-18,908.34-7,414.03

Finding the Fourth Proportional to 13,701.66, 18,908.34 and 7,414.03

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Solution

The fourth proportional to 13,701.66, 18,908.34 and 7,414.03 is: 10,231.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.66 : 18,908.34 = 7,414.03 : x
  2. Step 2: Convert to fraction form
    13,701.66/18,908.34 = 7,414.03/x
  3. Step 3: Cross multiply
    13,701.66x = 18,908.34 × 7,414.03
  4. Step 4: Simplify right side
    13,701.66x = 140,186,995.84
  5. Step 5: Solve for x
    x = 140,186,995.84/13,701.66
  6. Step 6: Final answer
    x = 10,231.39

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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.