Home / 26,425.44-36,471.77-15,815.05

Finding the Fourth Proportional to 26,425.44, 36,471.77 and 15,815.05

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Solution

The fourth proportional to 26,425.44, 36,471.77 and 15,815.05 is: 21,827.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,425.44 : 36,471.77 = 15,815.05 : x
  2. Step 2: Convert to fraction form
    26,425.44/36,471.77 = 15,815.05/x
  3. Step 3: Cross multiply
    26,425.44x = 36,471.77 × 15,815.05
  4. Step 4: Simplify right side
    26,425.44x = 576,802,755.19
  5. Step 5: Solve for x
    x = 576,802,755.19/26,425.44
  6. Step 6: Final answer
    x = 21,827.56

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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.