Home / 22,085.78-33,128.91-6,503.70

Finding the Fourth Proportional to 22,085.78, 33,128.91 and 6,503.70

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Solution

The fourth proportional to 22,085.78, 33,128.91 and 6,503.70 is: 9,755.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,085.78 : 33,128.91 = 6,503.70 : x
  2. Step 2: Convert to fraction form
    22,085.78/33,128.91 = 6,503.70/x
  3. Step 3: Cross multiply
    22,085.78x = 33,128.91 × 6,503.70
  4. Step 4: Simplify right side
    22,085.78x = 215,460,491.97
  5. Step 5: Solve for x
    x = 215,460,491.97/22,085.78
  6. Step 6: Final answer
    x = 9,755.62

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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.