Home / 22,916.56-31,627.39-12,845.97

Finding the Fourth Proportional to 22,916.56, 31,627.39 and 12,845.97

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Solution

The fourth proportional to 22,916.56, 31,627.39 and 12,845.97 is: 17,728.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,916.56 : 31,627.39 = 12,845.97 : x
  2. Step 2: Convert to fraction form
    22,916.56/31,627.39 = 12,845.97/x
  3. Step 3: Cross multiply
    22,916.56x = 31,627.39 × 12,845.97
  4. Step 4: Simplify right side
    22,916.56x = 406,284,503.12
  5. Step 5: Solve for x
    x = 406,284,503.12/22,916.56
  6. Step 6: Final answer
    x = 17,728.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.