Home / 13,760.82-18,989.51-8,095.41

Finding the Fourth Proportional to 13,760.82, 18,989.51 and 8,095.41

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Solution

The fourth proportional to 13,760.82, 18,989.51 and 8,095.41 is: 11,171.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760.82 : 18,989.51 = 8,095.41 : x
  2. Step 2: Convert to fraction form
    13,760.82/18,989.51 = 8,095.41/x
  3. Step 3: Cross multiply
    13,760.82x = 18,989.51 × 8,095.41
  4. Step 4: Simplify right side
    13,760.82x = 153,727,828.67
  5. Step 5: Solve for x
    x = 153,727,828.67/13,760.82
  6. Step 6: Final answer
    x = 11,171.41

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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.