Home / 26,211.48-39,324.51-11,421.69

Finding the Fourth Proportional to 26,211.48, 39,324.51 and 11,421.69

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Solution

The fourth proportional to 26,211.48, 39,324.51 and 11,421.69 is: 17,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,211.48 : 39,324.51 = 11,421.69 : x
  2. Step 2: Convert to fraction form
    26,211.48/39,324.51 = 11,421.69/x
  3. Step 3: Cross multiply
    26,211.48x = 39,324.51 × 11,421.69
  4. Step 4: Simplify right side
    26,211.48x = 449,152,362.62
  5. Step 5: Solve for x
    x = 449,152,362.62/26,211.48
  6. Step 6: Final answer
    x = 17,135.71

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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.