Home / 22,044.54-30,421.26-11,972.76

Finding the Fourth Proportional to 22,044.54, 30,421.26 and 11,972.76

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Solution

The fourth proportional to 22,044.54, 30,421.26 and 11,972.76 is: 16,522.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,044.54 : 30,421.26 = 11,972.76 : x
  2. Step 2: Convert to fraction form
    22,044.54/30,421.26 = 11,972.76/x
  3. Step 3: Cross multiply
    22,044.54x = 30,421.26 × 11,972.76
  4. Step 4: Simplify right side
    22,044.54x = 364,226,444.88
  5. Step 5: Solve for x
    x = 364,226,444.88/22,044.54
  6. Step 6: Final answer
    x = 16,522.30

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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.