Home / 14,403.91-21,591.50-6,893.61

Finding the Fourth Proportional to 14,403.91, 21,591.50 and 6,893.61

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Solution

The fourth proportional to 14,403.91, 21,591.50 and 6,893.61 is: 10,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.91 : 21,591.50 = 6,893.61 : x
  2. Step 2: Convert to fraction form
    14,403.91/21,591.50 = 6,893.61/x
  3. Step 3: Cross multiply
    14,403.91x = 21,591.50 × 6,893.61
  4. Step 4: Simplify right side
    14,403.91x = 148,843,447.06
  5. Step 5: Solve for x
    x = 148,843,447.06/14,403.91
  6. Step 6: Final answer
    x = 10,333.55

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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.