Home / 22,108.03-30,508.08-12,036.21

Finding the Fourth Proportional to 22,108.03, 30,508.08 and 12,036.21

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Solution

The fourth proportional to 22,108.03, 30,508.08 and 12,036.21 is: 16,609.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.03 : 30,508.08 = 12,036.21 : x
  2. Step 2: Convert to fraction form
    22,108.03/30,508.08 = 12,036.21/x
  3. Step 3: Cross multiply
    22,108.03x = 30,508.08 × 12,036.21
  4. Step 4: Simplify right side
    22,108.03x = 367,201,657.58
  5. Step 5: Solve for x
    x = 367,201,657.58/22,108.03
  6. Step 6: Final answer
    x = 16,609.42

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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.