Home / 19,251.96-28,872.84-7,565.28

Finding the Fourth Proportional to 19,251.96, 28,872.84 and 7,565.28

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Solution

The fourth proportional to 19,251.96, 28,872.84 and 7,565.28 is: 11,345.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.96 : 28,872.84 = 7,565.28 : x
  2. Step 2: Convert to fraction form
    19,251.96/28,872.84 = 7,565.28/x
  3. Step 3: Cross multiply
    19,251.96x = 28,872.84 × 7,565.28
  4. Step 4: Simplify right side
    19,251.96x = 218,431,119.00
  5. Step 5: Solve for x
    x = 218,431,119.00/19,251.96
  6. Step 6: Final answer
    x = 11,345.92

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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.