Home / 22,223.53-30,671.35-12,666.90

Finding the Fourth Proportional to 22,223.53, 30,671.35 and 12,666.90

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Solution

The fourth proportional to 22,223.53, 30,671.35 and 12,666.90 is: 17,481.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,223.53 : 30,671.35 = 12,666.90 : x
  2. Step 2: Convert to fraction form
    22,223.53/30,671.35 = 12,666.90/x
  3. Step 3: Cross multiply
    22,223.53x = 30,671.35 × 12,666.90
  4. Step 4: Simplify right side
    22,223.53x = 388,510,923.32
  5. Step 5: Solve for x
    x = 388,510,923.32/22,223.53
  6. Step 6: Final answer
    x = 17,481.97

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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.