Home / 26,145.09-36,083.31-15,534.75

Finding the Fourth Proportional to 26,145.09, 36,083.31 and 15,534.75

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Solution

The fourth proportional to 26,145.09, 36,083.31 and 15,534.75 is: 21,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,145.09 : 36,083.31 = 15,534.75 : x
  2. Step 2: Convert to fraction form
    26,145.09/36,083.31 = 15,534.75/x
  3. Step 3: Cross multiply
    26,145.09x = 36,083.31 × 15,534.75
  4. Step 4: Simplify right side
    26,145.09x = 560,545,200.02
  5. Step 5: Solve for x
    x = 560,545,200.02/26,145.09
  6. Step 6: Final answer
    x = 21,439.79

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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.