Home / 22,126.66-33,113.45-21,208.12

Finding the Fourth Proportional to 22,126.66, 33,113.45 and 21,208.12

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Solution

The fourth proportional to 22,126.66, 33,113.45 and 21,208.12 is: 31,738.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,126.66 : 33,113.45 = 21,208.12 : x
  2. Step 2: Convert to fraction form
    22,126.66/33,113.45 = 21,208.12/x
  3. Step 3: Cross multiply
    22,126.66x = 33,113.45 × 21,208.12
  4. Step 4: Simplify right side
    22,126.66x = 702,273,915.17
  5. Step 5: Solve for x
    x = 702,273,915.17/22,126.66
  6. Step 6: Final answer
    x = 31,738.81

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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.