Home / 19,662.15-29,498.07-6,515.85

Finding the Fourth Proportional to 19,662.15, 29,498.07 and 6,515.85

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Solution

The fourth proportional to 19,662.15, 29,498.07 and 6,515.85 is: 9,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.15 : 29,498.07 = 6,515.85 : x
  2. Step 2: Convert to fraction form
    19,662.15/29,498.07 = 6,515.85/x
  3. Step 3: Cross multiply
    19,662.15x = 29,498.07 × 6,515.85
  4. Step 4: Simplify right side
    19,662.15x = 192,204,999.41
  5. Step 5: Solve for x
    x = 192,204,999.41/19,662.15
  6. Step 6: Final answer
    x = 9,775.38

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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.