Home / 15,105.64-22,650.09-6,218.59

Finding the Fourth Proportional to 15,105.64, 22,650.09 and 6,218.59

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Solution

The fourth proportional to 15,105.64, 22,650.09 and 6,218.59 is: 9,324.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,105.64 : 22,650.09 = 6,218.59 : x
  2. Step 2: Convert to fraction form
    15,105.64/22,650.09 = 6,218.59/x
  3. Step 3: Cross multiply
    15,105.64x = 22,650.09 × 6,218.59
  4. Step 4: Simplify right side
    15,105.64x = 140,851,623.17
  5. Step 5: Solve for x
    x = 140,851,623.17/15,105.64
  6. Step 6: Final answer
    x = 9,324.44

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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.