Home / 13,996.24-19,314.52-7,622.90

Finding the Fourth Proportional to 13,996.24, 19,314.52 and 7,622.90

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Solution

The fourth proportional to 13,996.24, 19,314.52 and 7,622.90 is: 10,519.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.24 : 19,314.52 = 7,622.90 : x
  2. Step 2: Convert to fraction form
    13,996.24/19,314.52 = 7,622.90/x
  3. Step 3: Cross multiply
    13,996.24x = 19,314.52 × 7,622.90
  4. Step 4: Simplify right side
    13,996.24x = 147,232,611.31
  5. Step 5: Solve for x
    x = 147,232,611.31/13,996.24
  6. Step 6: Final answer
    x = 10,519.44

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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.