Home / 22,223.20-33,286.20-19,307.20

Finding the Fourth Proportional to 22,223.20, 33,286.20 and 19,307.20

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Solution

The fourth proportional to 22,223.20, 33,286.20 and 19,307.20 is: 28,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,223.20 : 33,286.20 = 19,307.20 : x
  2. Step 2: Convert to fraction form
    22,223.20/33,286.20 = 19,307.20/x
  3. Step 3: Cross multiply
    22,223.20x = 33,286.20 × 19,307.20
  4. Step 4: Simplify right side
    22,223.20x = 642,663,320.64
  5. Step 5: Solve for x
    x = 642,663,320.64/22,223.20
  6. Step 6: Final answer
    x = 28,918.58

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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.