Home / 25,311.79-37,977.26-10,519.47

Finding the Fourth Proportional to 25,311.79, 37,977.26 and 10,519.47

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Solution

The fourth proportional to 25,311.79, 37,977.26 and 10,519.47 is: 15,783.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,311.79 : 37,977.26 = 10,519.47 : x
  2. Step 2: Convert to fraction form
    25,311.79/37,977.26 = 10,519.47/x
  3. Step 3: Cross multiply
    25,311.79x = 37,977.26 × 10,519.47
  4. Step 4: Simplify right side
    25,311.79x = 399,500,594.65
  5. Step 5: Solve for x
    x = 399,500,594.65/25,311.79
  6. Step 6: Final answer
    x = 15,783.18

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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.