Home / 16,787.61-25,162.97-6,921.54

Finding the Fourth Proportional to 16,787.61, 25,162.97 and 6,921.54

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Solution

The fourth proportional to 16,787.61, 25,162.97 and 6,921.54 is: 10,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,787.61 : 25,162.97 = 6,921.54 : x
  2. Step 2: Convert to fraction form
    16,787.61/25,162.97 = 6,921.54/x
  3. Step 3: Cross multiply
    16,787.61x = 25,162.97 × 6,921.54
  4. Step 4: Simplify right side
    16,787.61x = 174,166,468.77
  5. Step 5: Solve for x
    x = 174,166,468.77/16,787.61
  6. Step 6: Final answer
    x = 10,374.70

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1.5x scale

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.