Home / 19,647.18-29,465.85-8,396.96

Finding the Fourth Proportional to 19,647.18, 29,465.85 and 8,396.96

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Solution

The fourth proportional to 19,647.18, 29,465.85 and 8,396.96 is: 12,593.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.18 : 29,465.85 = 8,396.96 : x
  2. Step 2: Convert to fraction form
    19,647.18/29,465.85 = 8,396.96/x
  3. Step 3: Cross multiply
    19,647.18x = 29,465.85 × 8,396.96
  4. Step 4: Simplify right side
    19,647.18x = 247,423,584.29
  5. Step 5: Solve for x
    x = 247,423,584.29/19,647.18
  6. Step 6: Final answer
    x = 12,593.34

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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.