Home / 13,192.08-18,205.07-7,223.73

Finding the Fourth Proportional to 13,192.08, 18,205.07 and 7,223.73

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Solution

The fourth proportional to 13,192.08, 18,205.07 and 7,223.73 is: 9,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.08 : 18,205.07 = 7,223.73 : x
  2. Step 2: Convert to fraction form
    13,192.08/18,205.07 = 7,223.73/x
  3. Step 3: Cross multiply
    13,192.08x = 18,205.07 × 7,223.73
  4. Step 4: Simplify right side
    13,192.08x = 131,508,510.31
  5. Step 5: Solve for x
    x = 131,508,510.31/13,192.08
  6. Step 6: Final answer
    x = 9,968.75

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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.