Home / 20,276.76-27,974.22-14,984.28

Finding the Fourth Proportional to 20,276.76, 27,974.22 and 14,984.28

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Solution

The fourth proportional to 20,276.76, 27,974.22 and 14,984.28 is: 20,672.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,276.76 : 27,974.22 = 14,984.28 : x
  2. Step 2: Convert to fraction form
    20,276.76/27,974.22 = 14,984.28/x
  3. Step 3: Cross multiply
    20,276.76x = 27,974.22 × 14,984.28
  4. Step 4: Simplify right side
    20,276.76x = 419,173,545.26
  5. Step 5: Solve for x
    x = 419,173,545.26/20,276.76
  6. Step 6: Final answer
    x = 20,672.61

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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.