Home / 20,586.64-28,410.54-11,634.52

Finding the Fourth Proportional to 20,586.64, 28,410.54 and 11,634.52

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Solution

The fourth proportional to 20,586.64, 28,410.54 and 11,634.52 is: 16,056.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,586.64 : 28,410.54 = 11,634.52 : x
  2. Step 2: Convert to fraction form
    20,586.64/28,410.54 = 11,634.52/x
  3. Step 3: Cross multiply
    20,586.64x = 28,410.54 × 11,634.52
  4. Step 4: Simplify right side
    20,586.64x = 330,542,995.84
  5. Step 5: Solve for x
    x = 330,542,995.84/20,586.64
  6. Step 6: Final answer
    x = 16,056.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.