Home / 14,787.74-22,184.79-4,257.68

Finding the Fourth Proportional to 14,787.74, 22,184.79 and 4,257.68

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Solution

The fourth proportional to 14,787.74, 22,184.79 and 4,257.68 is: 6,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,787.74 : 22,184.79 = 4,257.68 : x
  2. Step 2: Convert to fraction form
    14,787.74/22,184.79 = 4,257.68/x
  3. Step 3: Cross multiply
    14,787.74x = 22,184.79 × 4,257.68
  4. Step 4: Simplify right side
    14,787.74x = 94,455,736.69
  5. Step 5: Solve for x
    x = 94,455,736.69/14,787.74
  6. Step 6: Final answer
    x = 6,387.44

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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.