Home / 26,909.19-37,185.90-20,183.15

Finding the Fourth Proportional to 26,909.19, 37,185.90 and 20,183.15

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Solution

The fourth proportional to 26,909.19, 37,185.90 and 20,183.15 is: 27,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,909.19 : 37,185.90 = 20,183.15 : x
  2. Step 2: Convert to fraction form
    26,909.19/37,185.90 = 20,183.15/x
  3. Step 3: Cross multiply
    26,909.19x = 37,185.90 × 20,183.15
  4. Step 4: Simplify right side
    26,909.19x = 750,528,411.66
  5. Step 5: Solve for x
    x = 750,528,411.66/26,909.19
  6. Step 6: Final answer
    x = 27,891.16

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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.