Home / 14,378.12-21,565.55-3,849.24

Finding the Fourth Proportional to 14,378.12, 21,565.55 and 3,849.24

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Solution

The fourth proportional to 14,378.12, 21,565.55 and 3,849.24 is: 5,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.12 : 21,565.55 = 3,849.24 : x
  2. Step 2: Convert to fraction form
    14,378.12/21,565.55 = 3,849.24/x
  3. Step 3: Cross multiply
    14,378.12x = 21,565.55 × 3,849.24
  4. Step 4: Simplify right side
    14,378.12x = 83,010,958.44
  5. Step 5: Solve for x
    x = 83,010,958.44/14,378.12
  6. Step 6: Final answer
    x = 5,773.42

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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.