Home / 13,963.40-19,269.36-7,996.12

Finding the Fourth Proportional to 13,963.40, 19,269.36 and 7,996.12

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Solution

The fourth proportional to 13,963.40, 19,269.36 and 7,996.12 is: 11,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.40 : 19,269.36 = 7,996.12 : x
  2. Step 2: Convert to fraction form
    13,963.40/19,269.36 = 7,996.12/x
  3. Step 3: Cross multiply
    13,963.40x = 19,269.36 × 7,996.12
  4. Step 4: Simplify right side
    13,963.40x = 154,080,114.88
  5. Step 5: Solve for x
    x = 154,080,114.88/13,963.40
  6. Step 6: Final answer
    x = 11,034.57

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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.