Home / 20,926.26-28,877.85-11,494.62

Finding the Fourth Proportional to 20,926.26, 28,877.85 and 11,494.62

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Solution

The fourth proportional to 20,926.26, 28,877.85 and 11,494.62 is: 15,862.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,926.26 : 28,877.85 = 11,494.62 : x
  2. Step 2: Convert to fraction form
    20,926.26/28,877.85 = 11,494.62/x
  3. Step 3: Cross multiply
    20,926.26x = 28,877.85 × 11,494.62
  4. Step 4: Simplify right side
    20,926.26x = 331,939,912.17
  5. Step 5: Solve for x
    x = 331,939,912.17/20,926.26
  6. Step 6: Final answer
    x = 15,862.36

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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.