Home / 14,768.19-20,380.01-8,480.43

Finding the Fourth Proportional to 14,768.19, 20,380.01 and 8,480.43

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Solution

The fourth proportional to 14,768.19, 20,380.01 and 8,480.43 is: 11,702.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,768.19 : 20,380.01 = 8,480.43 : x
  2. Step 2: Convert to fraction form
    14,768.19/20,380.01 = 8,480.43/x
  3. Step 3: Cross multiply
    14,768.19x = 20,380.01 × 8,480.43
  4. Step 4: Simplify right side
    14,768.19x = 172,831,205.80
  5. Step 5: Solve for x
    x = 172,831,205.80/14,768.19
  6. Step 6: Final answer
    x = 11,702.94

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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.