Home / 22,044.10-30,421.08-11,972.64

Finding the Fourth Proportional to 22,044.10, 30,421.08 and 11,972.64

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Solution

The fourth proportional to 22,044.10, 30,421.08 and 11,972.64 is: 16,522.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,044.10 : 30,421.08 = 11,972.64 : x
  2. Step 2: Convert to fraction form
    22,044.10/30,421.08 = 11,972.64/x
  3. Step 3: Cross multiply
    22,044.10x = 30,421.08 × 11,972.64
  4. Step 4: Simplify right side
    22,044.10x = 364,220,639.25
  5. Step 5: Solve for x
    x = 364,220,639.25/22,044.10
  6. Step 6: Final answer
    x = 16,522.36

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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.