Home / 13,107.93-19,561.14-11,706.63

Finding the Fourth Proportional to 13,107.93, 19,561.14 and 11,706.63

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Solution

The fourth proportional to 13,107.93, 19,561.14 and 11,706.63 is: 17,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.93 : 19,561.14 = 11,706.63 : x
  2. Step 2: Convert to fraction form
    13,107.93/19,561.14 = 11,706.63/x
  3. Step 3: Cross multiply
    13,107.93x = 19,561.14 × 11,706.63
  4. Step 4: Simplify right side
    13,107.93x = 228,995,028.36
  5. Step 5: Solve for x
    x = 228,995,028.36/13,107.93
  6. Step 6: Final answer
    x = 17,469.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.