Home / 23,069.01-31,836.68-13,380.44

Finding the Fourth Proportional to 23,069.01, 31,836.68 and 13,380.44

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Solution

The fourth proportional to 23,069.01, 31,836.68 and 13,380.44 is: 18,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,069.01 : 31,836.68 = 13,380.44 : x
  2. Step 2: Convert to fraction form
    23,069.01/31,836.68 = 13,380.44/x
  3. Step 3: Cross multiply
    23,069.01x = 31,836.68 × 13,380.44
  4. Step 4: Simplify right side
    23,069.01x = 425,988,786.54
  5. Step 5: Solve for x
    x = 425,988,786.54/23,069.01
  6. Step 6: Final answer
    x = 18,465.85

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1.5x scale

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.