Home / 23,174.07-31,979.35-12,563.47

Finding the Fourth Proportional to 23,174.07, 31,979.35 and 12,563.47

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Solution

The fourth proportional to 23,174.07, 31,979.35 and 12,563.47 is: 17,337.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,174.07 : 31,979.35 = 12,563.47 : x
  2. Step 2: Convert to fraction form
    23,174.07/31,979.35 = 12,563.47/x
  3. Step 3: Cross multiply
    23,174.07x = 31,979.35 × 12,563.47
  4. Step 4: Simplify right side
    23,174.07x = 401,771,604.34
  5. Step 5: Solve for x
    x = 401,771,604.34/23,174.07
  6. Step 6: Final answer
    x = 17,337.12

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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.