Home / 14,788.14-20,407.35-8,414.58

Finding the Fourth Proportional to 14,788.14, 20,407.35 and 8,414.58

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Solution

The fourth proportional to 14,788.14, 20,407.35 and 8,414.58 is: 11,611.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,788.14 : 20,407.35 = 8,414.58 : x
  2. Step 2: Convert to fraction form
    14,788.14/20,407.35 = 8,414.58/x
  3. Step 3: Cross multiply
    14,788.14x = 20,407.35 × 8,414.58
  4. Step 4: Simplify right side
    14,788.14x = 171,719,363.58
  5. Step 5: Solve for x
    x = 171,719,363.58/14,788.14
  6. Step 6: Final answer
    x = 11,611.97

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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.