Home / 23,122.22-31,908.12-13,050.38

Finding the Fourth Proportional to 23,122.22, 31,908.12 and 13,050.38

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Solution

The fourth proportional to 23,122.22, 31,908.12 and 13,050.38 is: 18,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,122.22 : 31,908.12 = 13,050.38 : x
  2. Step 2: Convert to fraction form
    23,122.22/31,908.12 = 13,050.38/x
  3. Step 3: Cross multiply
    23,122.22x = 31,908.12 × 13,050.38
  4. Step 4: Simplify right side
    23,122.22x = 416,413,091.09
  5. Step 5: Solve for x
    x = 416,413,091.09/23,122.22
  6. Step 6: Final answer
    x = 18,009.22

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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.