Home / 22,731.44-31,368.46-12,659.36

Finding the Fourth Proportional to 22,731.44, 31,368.46 and 12,659.36

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Solution

The fourth proportional to 22,731.44, 31,368.46 and 12,659.36 is: 17,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,731.44 : 31,368.46 = 12,659.36 : x
  2. Step 2: Convert to fraction form
    22,731.44/31,368.46 = 12,659.36/x
  3. Step 3: Cross multiply
    22,731.44x = 31,368.46 × 12,659.36
  4. Step 4: Simplify right side
    22,731.44x = 397,104,627.79
  5. Step 5: Solve for x
    x = 397,104,627.79/22,731.44
  6. Step 6: Final answer
    x = 17,469.40

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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.