Home / 13,108.50-19,665.17-9,350.91

Finding the Fourth Proportional to 13,108.50, 19,665.17 and 9,350.91

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Solution

The fourth proportional to 13,108.50, 19,665.17 and 9,350.91 is: 14,028.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.50 : 19,665.17 = 9,350.91 : x
  2. Step 2: Convert to fraction form
    13,108.50/19,665.17 = 9,350.91/x
  3. Step 3: Cross multiply
    13,108.50x = 19,665.17 × 9,350.91
  4. Step 4: Simplify right side
    13,108.50x = 183,887,188.05
  5. Step 5: Solve for x
    x = 183,887,188.05/13,108.50
  6. Step 6: Final answer
    x = 14,028.09

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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.