Home / 13,168.16-19,734.70-5,764.56

Finding the Fourth Proportional to 13,168.16, 19,734.70 and 5,764.56

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Solution

The fourth proportional to 13,168.16, 19,734.70 and 5,764.56 is: 8,639.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168.16 : 19,734.70 = 5,764.56 : x
  2. Step 2: Convert to fraction form
    13,168.16/19,734.70 = 5,764.56/x
  3. Step 3: Cross multiply
    13,168.16x = 19,734.70 × 5,764.56
  4. Step 4: Simplify right side
    13,168.16x = 113,761,847.82
  5. Step 5: Solve for x
    x = 113,761,847.82/13,168.16
  6. Step 6: Final answer
    x = 8,639.16

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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.