Home / 13,694.79-20,543.63-4,336.10

Finding the Fourth Proportional to 13,694.79, 20,543.63 and 4,336.10

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Solution

The fourth proportional to 13,694.79, 20,543.63 and 4,336.10 is: 6,504.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.79 : 20,543.63 = 4,336.10 : x
  2. Step 2: Convert to fraction form
    13,694.79/20,543.63 = 4,336.10/x
  3. Step 3: Cross multiply
    13,694.79x = 20,543.63 × 4,336.10
  4. Step 4: Simplify right side
    13,694.79x = 89,079,234.04
  5. Step 5: Solve for x
    x = 89,079,234.04/13,694.79
  6. Step 6: Final answer
    x = 6,504.61

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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.