Home / 23,192.89-32,005.79-13,121.08

Finding the Fourth Proportional to 23,192.89, 32,005.79 and 13,121.08

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Solution

The fourth proportional to 23,192.89, 32,005.79 and 13,121.08 is: 18,106.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,192.89 : 32,005.79 = 13,121.08 : x
  2. Step 2: Convert to fraction form
    23,192.89/32,005.79 = 13,121.08/x
  3. Step 3: Cross multiply
    23,192.89x = 32,005.79 × 13,121.08
  4. Step 4: Simplify right side
    23,192.89x = 419,950,434.64
  5. Step 5: Solve for x
    x = 419,950,434.64/23,192.89
  6. Step 6: Final answer
    x = 18,106.86

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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.