Home / 25,111.20-37,668.24-6,643.68

Finding the Fourth Proportional to 25,111.20, 37,668.24 and 6,643.68

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Solution

The fourth proportional to 25,111.20, 37,668.24 and 6,643.68 is: 9,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,111.20 : 37,668.24 = 6,643.68 : x
  2. Step 2: Convert to fraction form
    25,111.20/37,668.24 = 6,643.68/x
  3. Step 3: Cross multiply
    25,111.20x = 37,668.24 × 6,643.68
  4. Step 4: Simplify right side
    25,111.20x = 250,255,732.72
  5. Step 5: Solve for x
    x = 250,255,732.72/25,111.20
  6. Step 6: Final answer
    x = 9,965.90

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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.