Home / 22,936.15-31,653.14-12,867.78

Finding the Fourth Proportional to 22,936.15, 31,653.14 and 12,867.78

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Solution

The fourth proportional to 22,936.15, 31,653.14 and 12,867.78 is: 17,758.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,936.15 : 31,653.14 = 12,867.78 : x
  2. Step 2: Convert to fraction form
    22,936.15/31,653.14 = 12,867.78/x
  3. Step 3: Cross multiply
    22,936.15x = 31,653.14 × 12,867.78
  4. Step 4: Simplify right side
    22,936.15x = 407,305,641.83
  5. Step 5: Solve for x
    x = 407,305,641.83/22,936.15
  6. Step 6: Final answer
    x = 17,758.24

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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.