Home / 15,787.16-23,685.48-4,694.24

Finding the Fourth Proportional to 15,787.16, 23,685.48 and 4,694.24

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Solution

The fourth proportional to 15,787.16, 23,685.48 and 4,694.24 is: 7,042.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787.16 : 23,685.48 = 4,694.24 : x
  2. Step 2: Convert to fraction form
    15,787.16/23,685.48 = 4,694.24/x
  3. Step 3: Cross multiply
    15,787.16x = 23,685.48 × 4,694.24
  4. Step 4: Simplify right side
    15,787.16x = 111,185,327.64
  5. Step 5: Solve for x
    x = 111,185,327.64/15,787.16
  6. Step 6: Final answer
    x = 7,042.77

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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.