Home / 22,568.94-31,149.50-13,015.00

Finding the Fourth Proportional to 22,568.94, 31,149.50 and 13,015.00

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Solution

The fourth proportional to 22,568.94, 31,149.50 and 13,015.00 is: 17,963.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,568.94 : 31,149.50 = 13,015.00 : x
  2. Step 2: Convert to fraction form
    22,568.94/31,149.50 = 13,015.00/x
  3. Step 3: Cross multiply
    22,568.94x = 31,149.50 × 13,015.00
  4. Step 4: Simplify right side
    22,568.94x = 405,410,731.63
  5. Step 5: Solve for x
    x = 405,410,731.63/22,568.94
  6. Step 6: Final answer
    x = 17,963.21

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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.