Home / 14,787.71-22,168.36-5,425.54

Finding the Fourth Proportional to 14,787.71, 22,168.36 and 5,425.54

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Solution

The fourth proportional to 14,787.71, 22,168.36 and 5,425.54 is: 8,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,787.71 : 22,168.36 = 5,425.54 : x
  2. Step 2: Convert to fraction form
    14,787.71/22,168.36 = 5,425.54/x
  3. Step 3: Cross multiply
    14,787.71x = 22,168.36 × 5,425.54
  4. Step 4: Simplify right side
    14,787.71x = 120,275,323.91
  5. Step 5: Solve for x
    x = 120,275,323.91/14,787.71
  6. Step 6: Final answer
    x = 8,133.47

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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.