Home / 23,126.32-31,914.31-12,516.02

Finding the Fourth Proportional to 23,126.32, 31,914.31 and 12,516.02

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Solution

The fourth proportional to 23,126.32, 31,914.31 and 12,516.02 is: 17,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,126.32 : 31,914.31 = 12,516.02 : x
  2. Step 2: Convert to fraction form
    23,126.32/31,914.31 = 12,516.02/x
  3. Step 3: Cross multiply
    23,126.32x = 31,914.31 × 12,516.02
  4. Step 4: Simplify right side
    23,126.32x = 399,440,142.25
  5. Step 5: Solve for x
    x = 399,440,142.25/23,126.32
  6. Step 6: Final answer
    x = 17,272.10

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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.