Home / 13,108.88-19,650.48-7,253.12

Finding the Fourth Proportional to 13,108.88, 19,650.48 and 7,253.12

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Solution

The fourth proportional to 13,108.88, 19,650.48 and 7,253.12 is: 10,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.88 : 19,650.48 = 7,253.12 : x
  2. Step 2: Convert to fraction form
    13,108.88/19,650.48 = 7,253.12/x
  3. Step 3: Cross multiply
    13,108.88x = 19,650.48 × 7,253.12
  4. Step 4: Simplify right side
    13,108.88x = 142,527,289.50
  5. Step 5: Solve for x
    x = 142,527,289.50/13,108.88
  6. Step 6: Final answer
    x = 10,872.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.