Home / 22,044.13-30,421.12-11,972.77

Finding the Fourth Proportional to 22,044.13, 30,421.12 and 11,972.77

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Solution

The fourth proportional to 22,044.13, 30,421.12 and 11,972.77 is: 16,522.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,044.13 : 30,421.12 = 11,972.77 : x
  2. Step 2: Convert to fraction form
    22,044.13/30,421.12 = 11,972.77/x
  3. Step 3: Cross multiply
    22,044.13x = 30,421.12 × 11,972.77
  4. Step 4: Simplify right side
    22,044.13x = 364,224,989.37
  5. Step 5: Solve for x
    x = 364,224,989.37/22,044.13
  6. Step 6: Final answer
    x = 16,522.54

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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.