Home / 13,760.71-18,955.75-11,737.53

Finding the Fourth Proportional to 13,760.71, 18,955.75 and 11,737.53

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Solution

The fourth proportional to 13,760.71, 18,955.75 and 11,737.53 is: 16,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760.71 : 18,955.75 = 11,737.53 : x
  2. Step 2: Convert to fraction form
    13,760.71/18,955.75 = 11,737.53/x
  3. Step 3: Cross multiply
    13,760.71x = 18,955.75 × 11,737.53
  4. Step 4: Simplify right side
    13,760.71x = 222,493,684.30
  5. Step 5: Solve for x
    x = 222,493,684.30/13,760.71
  6. Step 6: Final answer
    x = 16,168.76

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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.