Home / 12,774.32-19,164.60-4,454.41

Finding the Fourth Proportional to 12,774.32, 19,164.60 and 4,454.41

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Solution

The fourth proportional to 12,774.32, 19,164.60 and 4,454.41 is: 6,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774.32 : 19,164.60 = 4,454.41 : x
  2. Step 2: Convert to fraction form
    12,774.32/19,164.60 = 4,454.41/x
  3. Step 3: Cross multiply
    12,774.32x = 19,164.60 × 4,454.41
  4. Step 4: Simplify right side
    12,774.32x = 85,366,973.91
  5. Step 5: Solve for x
    x = 85,366,973.91/12,774.32
  6. Step 6: Final answer
    x = 6,682.70

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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.