Home / 15,787.68-23,682.24-4,102.08

Finding the Fourth Proportional to 15,787.68, 23,682.24 and 4,102.08

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Solution

The fourth proportional to 15,787.68, 23,682.24 and 4,102.08 is: 6,153.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787.68 : 23,682.24 = 4,102.08 : x
  2. Step 2: Convert to fraction form
    15,787.68/23,682.24 = 4,102.08/x
  3. Step 3: Cross multiply
    15,787.68x = 23,682.24 × 4,102.08
  4. Step 4: Simplify right side
    15,787.68x = 97,146,443.06
  5. Step 5: Solve for x
    x = 97,146,443.06/15,787.68
  6. Step 6: Final answer
    x = 6,153.31

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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.