Home / 26,758.06-36,922.94-15,431.26

Finding the Fourth Proportional to 26,758.06, 36,922.94 and 15,431.26

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Solution

The fourth proportional to 26,758.06, 36,922.94 and 15,431.26 is: 21,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,758.06 : 36,922.94 = 15,431.26 : x
  2. Step 2: Convert to fraction form
    26,758.06/36,922.94 = 15,431.26/x
  3. Step 3: Cross multiply
    26,758.06x = 36,922.94 × 15,431.26
  4. Step 4: Simplify right side
    26,758.06x = 569,767,487.10
  5. Step 5: Solve for x
    x = 569,767,487.10/26,758.06
  6. Step 6: Final answer
    x = 21,293.30

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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.