Home / 13,184.43-19,868.37-11,935.41

Finding the Fourth Proportional to 13,184.43, 19,868.37 and 11,935.41

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Solution

The fourth proportional to 13,184.43, 19,868.37 and 11,935.41 is: 17,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.43 : 19,868.37 = 11,935.41 : x
  2. Step 2: Convert to fraction form
    13,184.43/19,868.37 = 11,935.41/x
  3. Step 3: Cross multiply
    13,184.43x = 19,868.37 × 11,935.41
  4. Step 4: Simplify right side
    13,184.43x = 237,137,141.98
  5. Step 5: Solve for x
    x = 237,137,141.98/13,184.43
  6. Step 6: Final answer
    x = 17,986.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.