Home / 22,627.38-31,224.36-13,669.60

Finding the Fourth Proportional to 22,627.38, 31,224.36 and 13,669.60

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Solution

The fourth proportional to 22,627.38, 31,224.36 and 13,669.60 is: 18,863.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,627.38 : 31,224.36 = 13,669.60 : x
  2. Step 2: Convert to fraction form
    22,627.38/31,224.36 = 13,669.60/x
  3. Step 3: Cross multiply
    22,627.38x = 31,224.36 × 13,669.60
  4. Step 4: Simplify right side
    22,627.38x = 426,824,511.46
  5. Step 5: Solve for x
    x = 426,824,511.46/22,627.38
  6. Step 6: Final answer
    x = 18,863.19

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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.