Home / 26,803.72-36,991.38-15,626.44

Finding the Fourth Proportional to 26,803.72, 36,991.38 and 15,626.44

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Solution

The fourth proportional to 26,803.72, 36,991.38 and 15,626.44 is: 21,565.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,803.72 : 36,991.38 = 15,626.44 : x
  2. Step 2: Convert to fraction form
    26,803.72/36,991.38 = 15,626.44/x
  3. Step 3: Cross multiply
    26,803.72x = 36,991.38 × 15,626.44
  4. Step 4: Simplify right side
    26,803.72x = 578,043,580.09
  5. Step 5: Solve for x
    x = 578,043,580.09/26,803.72
  6. Step 6: Final answer
    x = 21,565.80

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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.