Home / 22,128.66-33,188.94-10,279.17

Finding the Fourth Proportional to 22,128.66, 33,188.94 and 10,279.17

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Solution

The fourth proportional to 22,128.66, 33,188.94 and 10,279.17 is: 15,416.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128.66 : 33,188.94 = 10,279.17 : x
  2. Step 2: Convert to fraction form
    22,128.66/33,188.94 = 10,279.17/x
  3. Step 3: Cross multiply
    22,128.66x = 33,188.94 × 10,279.17
  4. Step 4: Simplify right side
    22,128.66x = 341,154,756.38
  5. Step 5: Solve for x
    x = 341,154,756.38/22,128.66
  6. Step 6: Final answer
    x = 15,416.87

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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.