Home / 17,865.45-26,789.54-10,472.31

Finding the Fourth Proportional to 17,865.45, 26,789.54 and 10,472.31

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Solution

The fourth proportional to 17,865.45, 26,789.54 and 10,472.31 is: 15,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865.45 : 26,789.54 = 10,472.31 : x
  2. Step 2: Convert to fraction form
    17,865.45/26,789.54 = 10,472.31/x
  3. Step 3: Cross multiply
    17,865.45x = 26,789.54 × 10,472.31
  4. Step 4: Simplify right side
    17,865.45x = 280,548,315.28
  5. Step 5: Solve for x
    x = 280,548,315.28/17,865.45
  6. Step 6: Final answer
    x = 15,703.40

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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.