Home / 13,982.22-19,295.13-8,017.38

Finding the Fourth Proportional to 13,982.22, 19,295.13 and 8,017.38

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Solution

The fourth proportional to 13,982.22, 19,295.13 and 8,017.38 is: 11,063.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.22 : 19,295.13 = 8,017.38 : x
  2. Step 2: Convert to fraction form
    13,982.22/19,295.13 = 8,017.38/x
  3. Step 3: Cross multiply
    13,982.22x = 19,295.13 × 8,017.38
  4. Step 4: Simplify right side
    13,982.22x = 154,696,389.36
  5. Step 5: Solve for x
    x = 154,696,389.36/13,982.22
  6. Step 6: Final answer
    x = 11,063.79

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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.