Home / 26,940.69-37,148.42-18,444.20

Finding the Fourth Proportional to 26,940.69, 37,148.42 and 18,444.20

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Solution

The fourth proportional to 26,940.69, 37,148.42 and 18,444.20 is: 25,432.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940.69 : 37,148.42 = 18,444.20 : x
  2. Step 2: Convert to fraction form
    26,940.69/37,148.42 = 18,444.20/x
  3. Step 3: Cross multiply
    26,940.69x = 37,148.42 × 18,444.20
  4. Step 4: Simplify right side
    26,940.69x = 685,172,610.20
  5. Step 5: Solve for x
    x = 685,172,610.20/26,940.69
  6. Step 6: Final answer
    x = 25,432.63

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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.