Home / 19,179.47-28,750.61-9,823.91

Finding the Fourth Proportional to 19,179.47, 28,750.61 and 9,823.91

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Solution

The fourth proportional to 19,179.47, 28,750.61 and 9,823.91 is: 14,726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.47 : 28,750.61 = 9,823.91 : x
  2. Step 2: Convert to fraction form
    19,179.47/28,750.61 = 9,823.91/x
  3. Step 3: Cross multiply
    19,179.47x = 28,750.61 × 9,823.91
  4. Step 4: Simplify right side
    19,179.47x = 282,443,285.89
  5. Step 5: Solve for x
    x = 282,443,285.89/19,179.47
  6. Step 6: Final answer
    x = 14,726.33

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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.