Home / 22,072.32-33,101.28-7,278.48

Finding the Fourth Proportional to 22,072.32, 33,101.28 and 7,278.48

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Solution

The fourth proportional to 22,072.32, 33,101.28 and 7,278.48 is: 10,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,072.32 : 33,101.28 = 7,278.48 : x
  2. Step 2: Convert to fraction form
    22,072.32/33,101.28 = 7,278.48/x
  3. Step 3: Cross multiply
    22,072.32x = 33,101.28 × 7,278.48
  4. Step 4: Simplify right side
    22,072.32x = 240,927,004.45
  5. Step 5: Solve for x
    x = 240,927,004.45/22,072.32
  6. Step 6: Final answer
    x = 10,915.35

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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.