Home / 22,044.02-30,420.98-11,972.66

Finding the Fourth Proportional to 22,044.02, 30,420.98 and 11,972.66

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Solution

The fourth proportional to 22,044.02, 30,420.98 and 11,972.66 is: 16,522.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,044.02 : 30,420.98 = 11,972.66 : x
  2. Step 2: Convert to fraction form
    22,044.02/30,420.98 = 11,972.66/x
  3. Step 3: Cross multiply
    22,044.02x = 30,420.98 × 11,972.66
  4. Step 4: Simplify right side
    22,044.02x = 364,220,035.04
  5. Step 5: Solve for x
    x = 364,220,035.04/22,044.02
  6. Step 6: Final answer
    x = 16,522.39

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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.