Home / 19,272.71-28,913.67-6,125.11

Finding the Fourth Proportional to 19,272.71, 28,913.67 and 6,125.11

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Solution

The fourth proportional to 19,272.71, 28,913.67 and 6,125.11 is: 9,189.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,272.71 : 28,913.67 = 6,125.11 : x
  2. Step 2: Convert to fraction form
    19,272.71/28,913.67 = 6,125.11/x
  3. Step 3: Cross multiply
    19,272.71x = 28,913.67 × 6,125.11
  4. Step 4: Simplify right side
    19,272.71x = 177,099,336.97
  5. Step 5: Solve for x
    x = 177,099,336.97/19,272.71
  6. Step 6: Final answer
    x = 9,189.12

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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.