Home / 19,150.12-28,752.09-9,796.85

Finding the Fourth Proportional to 19,150.12, 28,752.09 and 9,796.85

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Solution

The fourth proportional to 19,150.12, 28,752.09 and 9,796.85 is: 14,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.12 : 28,752.09 = 9,796.85 : x
  2. Step 2: Convert to fraction form
    19,150.12/28,752.09 = 9,796.85/x
  3. Step 3: Cross multiply
    19,150.12x = 28,752.09 × 9,796.85
  4. Step 4: Simplify right side
    19,150.12x = 281,679,895.35
  5. Step 5: Solve for x
    x = 281,679,895.35/19,150.12
  6. Step 6: Final answer
    x = 14,709.04

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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.