Home / 23,168.41-31,972.56-12,558.22

Finding the Fourth Proportional to 23,168.41, 31,972.56 and 12,558.22

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Solution

The fourth proportional to 23,168.41, 31,972.56 and 12,558.22 is: 17,330.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,168.41 : 31,972.56 = 12,558.22 : x
  2. Step 2: Convert to fraction form
    23,168.41/31,972.56 = 12,558.22/x
  3. Step 3: Cross multiply
    23,168.41x = 31,972.56 × 12,558.22
  4. Step 4: Simplify right side
    23,168.41x = 401,518,442.44
  5. Step 5: Solve for x
    x = 401,518,442.44/23,168.41
  6. Step 6: Final answer
    x = 17,330.43

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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.