Home / 13,336.54-20,016.84-7,101.76

Finding the Fourth Proportional to 13,336.54, 20,016.84 and 7,101.76

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Solution

The fourth proportional to 13,336.54, 20,016.84 and 7,101.76 is: 10,659.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.54 : 20,016.84 = 7,101.76 : x
  2. Step 2: Convert to fraction form
    13,336.54/20,016.84 = 7,101.76/x
  3. Step 3: Cross multiply
    13,336.54x = 20,016.84 × 7,101.76
  4. Step 4: Simplify right side
    13,336.54x = 142,154,793.64
  5. Step 5: Solve for x
    x = 142,154,793.64/13,336.54
  6. Step 6: Final answer
    x = 10,659.05

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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.