Home / 21,725.96-32,525.55-13,380.93

Finding the Fourth Proportional to 21,725.96, 32,525.55 and 13,380.93

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Solution

The fourth proportional to 21,725.96, 32,525.55 and 13,380.93 is: 20,032.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,725.96 : 32,525.55 = 13,380.93 : x
  2. Step 2: Convert to fraction form
    21,725.96/32,525.55 = 13,380.93/x
  3. Step 3: Cross multiply
    21,725.96x = 32,525.55 × 13,380.93
  4. Step 4: Simplify right side
    21,725.96x = 435,222,107.76
  5. Step 5: Solve for x
    x = 435,222,107.76/21,725.96
  6. Step 6: Final answer
    x = 20,032.36

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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.