Home / 22,044.26-30,420.96-11,972.63

Finding the Fourth Proportional to 22,044.26, 30,420.96 and 11,972.63

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Solution

The fourth proportional to 22,044.26, 30,420.96 and 11,972.63 is: 16,522.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,044.26 : 30,420.96 = 11,972.63 : x
  2. Step 2: Convert to fraction form
    22,044.26/30,420.96 = 11,972.63/x
  3. Step 3: Cross multiply
    22,044.26x = 30,420.96 × 11,972.63
  4. Step 4: Simplify right side
    22,044.26x = 364,218,746.22
  5. Step 5: Solve for x
    x = 364,218,746.22/22,044.26
  6. Step 6: Final answer
    x = 16,522.16

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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.