Home / 19,129.32-26,396.88-10,629.96

Finding the Fourth Proportional to 19,129.32, 26,396.88 and 10,629.96

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Solution

The fourth proportional to 19,129.32, 26,396.88 and 10,629.96 is: 14,668.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.32 : 26,396.88 = 10,629.96 : x
  2. Step 2: Convert to fraction form
    19,129.32/26,396.88 = 10,629.96/x
  3. Step 3: Cross multiply
    19,129.32x = 26,396.88 × 10,629.96
  4. Step 4: Simplify right side
    19,129.32x = 280,597,778.52
  5. Step 5: Solve for x
    x = 280,597,778.52/19,129.32
  6. Step 6: Final answer
    x = 14,668.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.