Home / 13,891.33-19,168.35-11,065.90

Finding the Fourth Proportional to 13,891.33, 19,168.35 and 11,065.90

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Solution

The fourth proportional to 13,891.33, 19,168.35 and 11,065.90 is: 15,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.33 : 19,168.35 = 11,065.90 : x
  2. Step 2: Convert to fraction form
    13,891.33/19,168.35 = 11,065.90/x
  3. Step 3: Cross multiply
    13,891.33x = 19,168.35 × 11,065.90
  4. Step 4: Simplify right side
    13,891.33x = 212,115,044.27
  5. Step 5: Solve for x
    x = 212,115,044.27/13,891.33
  6. Step 6: Final answer
    x = 15,269.60

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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.