Home / 14,766.20-20,377.38-8,051.96

Finding the Fourth Proportional to 14,766.20, 20,377.38 and 8,051.96

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Solution

The fourth proportional to 14,766.20, 20,377.38 and 8,051.96 is: 11,111.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,766.20 : 20,377.38 = 8,051.96 : x
  2. Step 2: Convert to fraction form
    14,766.20/20,377.38 = 8,051.96/x
  3. Step 3: Cross multiply
    14,766.20x = 20,377.38 × 8,051.96
  4. Step 4: Simplify right side
    14,766.20x = 164,077,848.66
  5. Step 5: Solve for x
    x = 164,077,848.66/14,766.20
  6. Step 6: Final answer
    x = 11,111.72

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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.