Home / 13,346.55-20,019.83-11,704.95

Finding the Fourth Proportional to 13,346.55, 20,019.83 and 11,704.95

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Solution

The fourth proportional to 13,346.55, 20,019.83 and 11,704.95 is: 17,557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.55 : 20,019.83 = 11,704.95 : x
  2. Step 2: Convert to fraction form
    13,346.55/20,019.83 = 11,704.95/x
  3. Step 3: Cross multiply
    13,346.55x = 20,019.83 × 11,704.95
  4. Step 4: Simplify right side
    13,346.55x = 234,331,050.63
  5. Step 5: Solve for x
    x = 234,331,050.63/13,346.55
  6. Step 6: Final answer
    x = 17,557.43

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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.