Home / 14,787.42-20,404.44-8,498.58

Finding the Fourth Proportional to 14,787.42, 20,404.44 and 8,498.58

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Solution

The fourth proportional to 14,787.42, 20,404.44 and 8,498.58 is: 11,726.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,787.42 : 20,404.44 = 8,498.58 : x
  2. Step 2: Convert to fraction form
    14,787.42/20,404.44 = 8,498.58/x
  3. Step 3: Cross multiply
    14,787.42x = 20,404.44 × 8,498.58
  4. Step 4: Simplify right side
    14,787.42x = 173,408,765.70
  5. Step 5: Solve for x
    x = 173,408,765.70/14,787.42
  6. Step 6: Final answer
    x = 11,726.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.