Home / 23,990.82-33,106.64-13,380.24

Finding the Fourth Proportional to 23,990.82, 33,106.64 and 13,380.24

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Solution

The fourth proportional to 23,990.82, 33,106.64 and 13,380.24 is: 18,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,990.82 : 33,106.64 = 13,380.24 : x
  2. Step 2: Convert to fraction form
    23,990.82/33,106.64 = 13,380.24/x
  3. Step 3: Cross multiply
    23,990.82x = 33,106.64 × 13,380.24
  4. Step 4: Simplify right side
    23,990.82x = 442,974,788.79
  5. Step 5: Solve for x
    x = 442,974,788.79/23,990.82
  6. Step 6: Final answer
    x = 18,464.35

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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.