Home / 19,556.70-29,322.23-11,123.39

Finding the Fourth Proportional to 19,556.70, 29,322.23 and 11,123.39

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Solution

The fourth proportional to 19,556.70, 29,322.23 and 11,123.39 is: 16,677.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556.70 : 29,322.23 = 11,123.39 : x
  2. Step 2: Convert to fraction form
    19,556.70/29,322.23 = 11,123.39/x
  3. Step 3: Cross multiply
    19,556.70x = 29,322.23 × 11,123.39
  4. Step 4: Simplify right side
    19,556.70x = 326,162,397.73
  5. Step 5: Solve for x
    x = 326,162,397.73/19,556.70
  6. Step 6: Final answer
    x = 16,677.78

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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.