Home / 14,787.91-22,178.55-4,255.58

Finding the Fourth Proportional to 14,787.91, 22,178.55 and 4,255.58

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Solution

The fourth proportional to 14,787.91, 22,178.55 and 4,255.58 is: 6,382.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,787.91 : 22,178.55 = 4,255.58 : x
  2. Step 2: Convert to fraction form
    14,787.91/22,178.55 = 4,255.58/x
  3. Step 3: Cross multiply
    14,787.91x = 22,178.55 × 4,255.58
  4. Step 4: Simplify right side
    14,787.91x = 94,382,572.53
  5. Step 5: Solve for x
    x = 94,382,572.53/14,787.91
  6. Step 6: Final answer
    x = 6,382.42

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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.