Home / 22,122.01-33,170.72-7,322.86

Finding the Fourth Proportional to 22,122.01, 33,170.72 and 7,322.86

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Solution

The fourth proportional to 22,122.01, 33,170.72 and 7,322.86 is: 10,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.01 : 33,170.72 = 7,322.86 : x
  2. Step 2: Convert to fraction form
    22,122.01/33,170.72 = 7,322.86/x
  3. Step 3: Cross multiply
    22,122.01x = 33,170.72 × 7,322.86
  4. Step 4: Simplify right side
    22,122.01x = 242,904,356.92
  5. Step 5: Solve for x
    x = 242,904,356.92/22,122.01
  6. Step 6: Final answer
    x = 10,980.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.