Home / 22,881.39-31,573.29-12,808.73

Finding the Fourth Proportional to 22,881.39, 31,573.29 and 12,808.73

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Solution

The fourth proportional to 22,881.39, 31,573.29 and 12,808.73 is: 17,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,881.39 : 31,573.29 = 12,808.73 : x
  2. Step 2: Convert to fraction form
    22,881.39/31,573.29 = 12,808.73/x
  3. Step 3: Cross multiply
    22,881.39x = 31,573.29 × 12,808.73
  4. Step 4: Simplify right side
    22,881.39x = 404,413,873.79
  5. Step 5: Solve for x
    x = 404,413,873.79/22,881.39
  6. Step 6: Final answer
    x = 17,674.36

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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.