Home / 26,429.46-39,643.43-10,629.60

Finding the Fourth Proportional to 26,429.46, 39,643.43 and 10,629.60

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Solution

The fourth proportional to 26,429.46, 39,643.43 and 10,629.60 is: 15,944.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429.46 : 39,643.43 = 10,629.60 : x
  2. Step 2: Convert to fraction form
    26,429.46/39,643.43 = 10,629.60/x
  3. Step 3: Cross multiply
    26,429.46x = 39,643.43 × 10,629.60
  4. Step 4: Simplify right side
    26,429.46x = 421,393,601.72
  5. Step 5: Solve for x
    x = 421,393,601.72/26,429.46
  6. Step 6: Final answer
    x = 15,944.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.