Home / 19,763.85-29,645.62-8,068.87

Finding the Fourth Proportional to 19,763.85, 29,645.62 and 8,068.87

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Solution

The fourth proportional to 19,763.85, 29,645.62 and 8,068.87 is: 12,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.85 : 29,645.62 = 8,068.87 : x
  2. Step 2: Convert to fraction form
    19,763.85/29,645.62 = 8,068.87/x
  3. Step 3: Cross multiply
    19,763.85x = 29,645.62 × 8,068.87
  4. Step 4: Simplify right side
    19,763.85x = 239,206,465.28
  5. Step 5: Solve for x
    x = 239,206,465.28/19,763.85
  6. Step 6: Final answer
    x = 12,103.23

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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.