Home / 22,628.96-31,222.32-13,194.08

Finding the Fourth Proportional to 22,628.96, 31,222.32 and 13,194.08

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Solution

The fourth proportional to 22,628.96, 31,222.32 and 13,194.08 is: 18,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,628.96 : 31,222.32 = 13,194.08 : x
  2. Step 2: Convert to fraction form
    22,628.96/31,222.32 = 13,194.08/x
  3. Step 3: Cross multiply
    22,628.96x = 31,222.32 × 13,194.08
  4. Step 4: Simplify right side
    22,628.96x = 411,949,787.87
  5. Step 5: Solve for x
    x = 411,949,787.87/22,628.96
  6. Step 6: Final answer
    x = 18,204.54

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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.