Home / 13,454.15-20,184.30-6,773.98

Finding the Fourth Proportional to 13,454.15, 20,184.30 and 6,773.98

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Solution

The fourth proportional to 13,454.15, 20,184.30 and 6,773.98 is: 10,162.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454.15 : 20,184.30 = 6,773.98 : x
  2. Step 2: Convert to fraction form
    13,454.15/20,184.30 = 6,773.98/x
  3. Step 3: Cross multiply
    13,454.15x = 20,184.30 × 6,773.98
  4. Step 4: Simplify right side
    13,454.15x = 136,727,977.56
  5. Step 5: Solve for x
    x = 136,727,977.56/13,454.15
  6. Step 6: Final answer
    x = 10,162.51

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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.