Home / 22,917.49-31,625.60-13,356.77

Finding the Fourth Proportional to 22,917.49, 31,625.60 and 13,356.77

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Solution

The fourth proportional to 22,917.49, 31,625.60 and 13,356.77 is: 18,432.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,917.49 : 31,625.60 = 13,356.77 : x
  2. Step 2: Convert to fraction form
    22,917.49/31,625.60 = 13,356.77/x
  3. Step 3: Cross multiply
    22,917.49x = 31,625.60 × 13,356.77
  4. Step 4: Simplify right side
    22,917.49x = 422,415,865.31
  5. Step 5: Solve for x
    x = 422,415,865.31/22,917.49
  6. Step 6: Final answer
    x = 18,432.03

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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.