Home / 23,189-34,747.72-15,663.08

Finding the Fourth Proportional to 23,189, 34,747.72 and 15,663.08

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Solution

The fourth proportional to 23,189, 34,747.72 and 15,663.08 is: 23,470.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,189 : 34,747.72 = 15,663.08 : x
  2. Step 2: Convert to fraction form
    23,189/34,747.72 = 15,663.08/x
  3. Step 3: Cross multiply
    23,189x = 34,747.72 × 15,663.08
  4. Step 4: Simplify right side
    23,189x = 544,256,318.18
  5. Step 5: Solve for x
    x = 544,256,318.18/23,189
  6. Step 6: Final answer
    x = 23,470.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.