Home / 13,695.55-20,546.40-4,336.13

Finding the Fourth Proportional to 13,695.55, 20,546.40 and 4,336.13

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Solution

The fourth proportional to 13,695.55, 20,546.40 and 4,336.13 is: 6,505.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.55 : 20,546.40 = 4,336.13 : x
  2. Step 2: Convert to fraction form
    13,695.55/20,546.40 = 4,336.13/x
  3. Step 3: Cross multiply
    13,695.55x = 20,546.40 × 4,336.13
  4. Step 4: Simplify right side
    13,695.55x = 89,091,861.43
  5. Step 5: Solve for x
    x = 89,091,861.43/13,695.55
  6. Step 6: Final answer
    x = 6,505.17

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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.