Home / 13,050.97-18,010.25-7,385.73

Finding the Fourth Proportional to 13,050.97, 18,010.25 and 7,385.73

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Solution

The fourth proportional to 13,050.97, 18,010.25 and 7,385.73 is: 10,192.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.97 : 18,010.25 = 7,385.73 : x
  2. Step 2: Convert to fraction form
    13,050.97/18,010.25 = 7,385.73/x
  3. Step 3: Cross multiply
    13,050.97x = 18,010.25 × 7,385.73
  4. Step 4: Simplify right side
    13,050.97x = 133,018,868.27
  5. Step 5: Solve for x
    x = 133,018,868.27/13,050.97
  6. Step 6: Final answer
    x = 10,192.26

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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.