Home / 15,787.92-23,682.06-4,695.72

Finding the Fourth Proportional to 15,787.92, 23,682.06 and 4,695.72

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Solution

The fourth proportional to 15,787.92, 23,682.06 and 4,695.72 is: 7,043.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787.92 : 23,682.06 = 4,695.72 : x
  2. Step 2: Convert to fraction form
    15,787.92/23,682.06 = 4,695.72/x
  3. Step 3: Cross multiply
    15,787.92x = 23,682.06 × 4,695.72
  4. Step 4: Simplify right side
    15,787.92x = 111,204,322.78
  5. Step 5: Solve for x
    x = 111,204,322.78/15,787.92
  6. Step 6: Final answer
    x = 7,043.63

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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.