Home / 23,531.05-32,473.38-12,920.73

Finding the Fourth Proportional to 23,531.05, 32,473.38 and 12,920.73

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Solution

The fourth proportional to 23,531.05, 32,473.38 and 12,920.73 is: 17,830.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,531.05 : 32,473.38 = 12,920.73 : x
  2. Step 2: Convert to fraction form
    23,531.05/32,473.38 = 12,920.73/x
  3. Step 3: Cross multiply
    23,531.05x = 32,473.38 × 12,920.73
  4. Step 4: Simplify right side
    23,531.05x = 419,579,645.53
  5. Step 5: Solve for x
    x = 419,579,645.53/23,531.05
  6. Step 6: Final answer
    x = 17,830.89

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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.