Home / 19,815.12-29,722.62-5,023.99

Finding the Fourth Proportional to 19,815.12, 29,722.62 and 5,023.99

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Solution

The fourth proportional to 19,815.12, 29,722.62 and 5,023.99 is: 7,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815.12 : 29,722.62 = 5,023.99 : x
  2. Step 2: Convert to fraction form
    19,815.12/29,722.62 = 5,023.99/x
  3. Step 3: Cross multiply
    19,815.12x = 29,722.62 × 5,023.99
  4. Step 4: Simplify right side
    19,815.12x = 149,326,145.65
  5. Step 5: Solve for x
    x = 149,326,145.65/19,815.12
  6. Step 6: Final answer
    x = 7,535.97

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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.