Home / 14,152.20-21,199.40-6,734.24

Finding the Fourth Proportional to 14,152.20, 21,199.40 and 6,734.24

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Solution

The fourth proportional to 14,152.20, 21,199.40 and 6,734.24 is: 10,087.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.20 : 21,199.40 = 6,734.24 : x
  2. Step 2: Convert to fraction form
    14,152.20/21,199.40 = 6,734.24/x
  3. Step 3: Cross multiply
    14,152.20x = 21,199.40 × 6,734.24
  4. Step 4: Simplify right side
    14,152.20x = 142,761,847.46
  5. Step 5: Solve for x
    x = 142,761,847.46/14,152.20
  6. Step 6: Final answer
    x = 10,087.61

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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.