Home / 22,107.70-30,508.94-12,036.45

Finding the Fourth Proportional to 22,107.70, 30,508.94 and 12,036.45

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Solution

The fourth proportional to 22,107.70, 30,508.94 and 12,036.45 is: 16,610.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107.70 : 30,508.94 = 12,036.45 : x
  2. Step 2: Convert to fraction form
    22,107.70/30,508.94 = 12,036.45/x
  3. Step 3: Cross multiply
    22,107.70x = 30,508.94 × 12,036.45
  4. Step 4: Simplify right side
    22,107.70x = 367,219,330.86
  5. Step 5: Solve for x
    x = 367,219,330.86/22,107.70
  6. Step 6: Final answer
    x = 16,610.47

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Half scale
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Double scale
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Similar ratio
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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.