Home / 19,179.60-28,731.09-15,237.51

Finding the Fourth Proportional to 19,179.60, 28,731.09 and 15,237.51

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Solution

The fourth proportional to 19,179.60, 28,731.09 and 15,237.51 is: 22,825.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.60 : 28,731.09 = 15,237.51 : x
  2. Step 2: Convert to fraction form
    19,179.60/28,731.09 = 15,237.51/x
  3. Step 3: Cross multiply
    19,179.60x = 28,731.09 × 15,237.51
  4. Step 4: Simplify right side
    19,179.60x = 437,790,271.19
  5. Step 5: Solve for x
    x = 437,790,271.19/19,179.60
  6. Step 6: Final answer
    x = 22,825.83

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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.