Home / 13,796.20-19,038.66-7,508.56

Finding the Fourth Proportional to 13,796.20, 19,038.66 and 7,508.56

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Solution

The fourth proportional to 13,796.20, 19,038.66 and 7,508.56 is: 10,361.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796.20 : 19,038.66 = 7,508.56 : x
  2. Step 2: Convert to fraction form
    13,796.20/19,038.66 = 7,508.56/x
  3. Step 3: Cross multiply
    13,796.20x = 19,038.66 × 7,508.56
  4. Step 4: Simplify right side
    13,796.20x = 142,952,920.93
  5. Step 5: Solve for x
    x = 142,952,920.93/13,796.20
  6. Step 6: Final answer
    x = 10,361.76

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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.