Home / 15,776.52-23,664.75-4,089.75

Finding the Fourth Proportional to 15,776.52, 23,664.75 and 4,089.75

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Solution

The fourth proportional to 15,776.52, 23,664.75 and 4,089.75 is: 6,134.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,776.52 : 23,664.75 = 4,089.75 : x
  2. Step 2: Convert to fraction form
    15,776.52/23,664.75 = 4,089.75/x
  3. Step 3: Cross multiply
    15,776.52x = 23,664.75 × 4,089.75
  4. Step 4: Simplify right side
    15,776.52x = 96,782,911.31
  5. Step 5: Solve for x
    x = 96,782,911.31/15,776.52
  6. Step 6: Final answer
    x = 6,134.62

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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.