Home / 13,546.23-20,316.15-5,648.88

Finding the Fourth Proportional to 13,546.23, 20,316.15 and 5,648.88

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Solution

The fourth proportional to 13,546.23, 20,316.15 and 5,648.88 is: 8,471.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.23 : 20,316.15 = 5,648.88 : x
  2. Step 2: Convert to fraction form
    13,546.23/20,316.15 = 5,648.88/x
  3. Step 3: Cross multiply
    13,546.23x = 20,316.15 × 5,648.88
  4. Step 4: Simplify right side
    13,546.23x = 114,763,493.41
  5. Step 5: Solve for x
    x = 114,763,493.41/13,546.23
  6. Step 6: Final answer
    x = 8,471.99

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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.