Home / 20,209.26-28,006.53-19,927.02

Finding the Fourth Proportional to 20,209.26, 28,006.53 and 19,927.02

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Solution

The fourth proportional to 20,209.26, 28,006.53 and 19,927.02 is: 27,615.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,209.26 : 28,006.53 = 19,927.02 : x
  2. Step 2: Convert to fraction form
    20,209.26/28,006.53 = 19,927.02/x
  3. Step 3: Cross multiply
    20,209.26x = 28,006.53 × 19,927.02
  4. Step 4: Simplify right side
    20,209.26x = 558,086,683.44
  5. Step 5: Solve for x
    x = 558,086,683.44/20,209.26
  6. Step 6: Final answer
    x = 27,615.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.