Home / 13,585.88-20,380.64-5,796.51

Finding the Fourth Proportional to 13,585.88, 20,380.64 and 5,796.51

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Solution

The fourth proportional to 13,585.88, 20,380.64 and 5,796.51 is: 8,695.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.88 : 20,380.64 = 5,796.51 : x
  2. Step 2: Convert to fraction form
    13,585.88/20,380.64 = 5,796.51/x
  3. Step 3: Cross multiply
    13,585.88x = 20,380.64 × 5,796.51
  4. Step 4: Simplify right side
    13,585.88x = 118,136,583.57
  5. Step 5: Solve for x
    x = 118,136,583.57/13,585.88
  6. Step 6: Final answer
    x = 8,695.54

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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.