Home / 20,074.83-27,702.47-11,122.47

Finding the Fourth Proportional to 20,074.83, 27,702.47 and 11,122.47

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Solution

The fourth proportional to 20,074.83, 27,702.47 and 11,122.47 is: 15,348.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.83 : 27,702.47 = 11,122.47 : x
  2. Step 2: Convert to fraction form
    20,074.83/27,702.47 = 11,122.47/x
  3. Step 3: Cross multiply
    20,074.83x = 27,702.47 × 11,122.47
  4. Step 4: Simplify right side
    20,074.83x = 308,119,891.50
  5. Step 5: Solve for x
    x = 308,119,891.50/20,074.83
  6. Step 6: Final answer
    x = 15,348.57

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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.