Home / 26,216.33-39,317.40-11,421.68

Finding the Fourth Proportional to 26,216.33, 39,317.40 and 11,421.68

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Solution

The fourth proportional to 26,216.33, 39,317.40 and 11,421.68 is: 17,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,216.33 : 39,317.40 = 11,421.68 : x
  2. Step 2: Convert to fraction form
    26,216.33/39,317.40 = 11,421.68/x
  3. Step 3: Cross multiply
    26,216.33x = 39,317.40 × 11,421.68
  4. Step 4: Simplify right side
    26,216.33x = 449,070,564.65
  5. Step 5: Solve for x
    x = 449,070,564.65/26,216.33
  6. Step 6: Final answer
    x = 17,129.42

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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.