Home / 23,163.89-31,966.16-12,553.52

Finding the Fourth Proportional to 23,163.89, 31,966.16 and 12,553.52

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Solution

The fourth proportional to 23,163.89, 31,966.16 and 12,553.52 is: 17,323.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,163.89 : 31,966.16 = 12,553.52 : x
  2. Step 2: Convert to fraction form
    23,163.89/31,966.16 = 12,553.52/x
  3. Step 3: Cross multiply
    23,163.89x = 31,966.16 × 12,553.52
  4. Step 4: Simplify right side
    23,163.89x = 401,287,828.88
  5. Step 5: Solve for x
    x = 401,287,828.88/23,163.89
  6. Step 6: Final answer
    x = 17,323.85

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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.