Home / 22,666.13-33,771.38-21,392.86

Finding the Fourth Proportional to 22,666.13, 33,771.38 and 21,392.86

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Solution

The fourth proportional to 22,666.13, 33,771.38 and 21,392.86 is: 31,874.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,666.13 : 33,771.38 = 21,392.86 : x
  2. Step 2: Convert to fraction form
    22,666.13/33,771.38 = 21,392.86/x
  3. Step 3: Cross multiply
    22,666.13x = 33,771.38 × 21,392.86
  4. Step 4: Simplify right side
    22,666.13x = 722,466,396.61
  5. Step 5: Solve for x
    x = 722,466,396.61/22,666.13
  6. Step 6: Final answer
    x = 31,874.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.