Home / 25,218.16-37,791.83-19,929.92

Finding the Fourth Proportional to 25,218.16, 37,791.83 and 19,929.92

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Solution

The fourth proportional to 25,218.16, 37,791.83 and 19,929.92 is: 29,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.16 : 37,791.83 = 19,929.92 : x
  2. Step 2: Convert to fraction form
    25,218.16/37,791.83 = 19,929.92/x
  3. Step 3: Cross multiply
    25,218.16x = 37,791.83 × 19,929.92
  4. Step 4: Simplify right side
    25,218.16x = 753,188,148.55
  5. Step 5: Solve for x
    x = 753,188,148.55/25,218.16
  6. Step 6: Final answer
    x = 29,866.90

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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.