Home / 22,896.96-31,584.90-13,335.72

Finding the Fourth Proportional to 22,896.96, 31,584.90 and 13,335.72

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Solution

The fourth proportional to 22,896.96, 31,584.90 and 13,335.72 is: 18,395.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,896.96 : 31,584.90 = 13,335.72 : x
  2. Step 2: Convert to fraction form
    22,896.96/31,584.90 = 13,335.72/x
  3. Step 3: Cross multiply
    22,896.96x = 31,584.90 × 13,335.72
  4. Step 4: Simplify right side
    22,896.96x = 421,207,382.63
  5. Step 5: Solve for x
    x = 421,207,382.63/22,896.96
  6. Step 6: Final answer
    x = 18,395.78

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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.