Home / 17,665.20-26,496.90-5,978.52

Finding the Fourth Proportional to 17,665.20, 26,496.90 and 5,978.52

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Solution

The fourth proportional to 17,665.20, 26,496.90 and 5,978.52 is: 8,967.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,665.20 : 26,496.90 = 5,978.52 : x
  2. Step 2: Convert to fraction form
    17,665.20/26,496.90 = 5,978.52/x
  3. Step 3: Cross multiply
    17,665.20x = 26,496.90 × 5,978.52
  4. Step 4: Simplify right side
    17,665.20x = 158,412,246.59
  5. Step 5: Solve for x
    x = 158,412,246.59/17,665.20
  6. Step 6: Final answer
    x = 8,967.48

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1.5x scale

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.