Home / 19,229.02-28,876.47-11,876.92

Finding the Fourth Proportional to 19,229.02, 28,876.47 and 11,876.92

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Solution

The fourth proportional to 19,229.02, 28,876.47 and 11,876.92 is: 17,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229.02 : 28,876.47 = 11,876.92 : x
  2. Step 2: Convert to fraction form
    19,229.02/28,876.47 = 11,876.92/x
  3. Step 3: Cross multiply
    19,229.02x = 28,876.47 × 11,876.92
  4. Step 4: Simplify right side
    19,229.02x = 342,963,524.07
  5. Step 5: Solve for x
    x = 342,963,524.07/19,229.02
  6. Step 6: Final answer
    x = 17,835.73

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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.