Home / 26,991.52-37,236.72-15,660.16

Finding the Fourth Proportional to 26,991.52, 37,236.72 and 15,660.16

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Solution

The fourth proportional to 26,991.52, 37,236.72 and 15,660.16 is: 21,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,991.52 : 37,236.72 = 15,660.16 : x
  2. Step 2: Convert to fraction form
    26,991.52/37,236.72 = 15,660.16/x
  3. Step 3: Cross multiply
    26,991.52x = 37,236.72 × 15,660.16
  4. Step 4: Simplify right side
    26,991.52x = 583,132,993.08
  5. Step 5: Solve for x
    x = 583,132,993.08/26,991.52
  6. Step 6: Final answer
    x = 21,604.30

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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.