Home / 20,060.76-27,683.44-11,108.24

Finding the Fourth Proportional to 20,060.76, 27,683.44 and 11,108.24

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Solution

The fourth proportional to 20,060.76, 27,683.44 and 11,108.24 is: 15,329.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,060.76 : 27,683.44 = 11,108.24 : x
  2. Step 2: Convert to fraction form
    20,060.76/27,683.44 = 11,108.24/x
  3. Step 3: Cross multiply
    20,060.76x = 27,683.44 × 11,108.24
  4. Step 4: Simplify right side
    20,060.76x = 307,514,295.55
  5. Step 5: Solve for x
    x = 307,514,295.55/20,060.76
  6. Step 6: Final answer
    x = 15,329.14

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Half scale
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Double scale
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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.