Home / 29,151.16-43,728.10-9,431.26

Finding the Fourth Proportional to 29,151.16, 43,728.10 and 9,431.26

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Solution

The fourth proportional to 29,151.16, 43,728.10 and 9,431.26 is: 14,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,151.16 : 43,728.10 = 9,431.26 : x
  2. Step 2: Convert to fraction form
    29,151.16/43,728.10 = 9,431.26/x
  3. Step 3: Cross multiply
    29,151.16x = 43,728.10 × 9,431.26
  4. Step 4: Simplify right side
    29,151.16x = 412,410,947.51
  5. Step 5: Solve for x
    x = 412,410,947.51/29,151.16
  6. Step 6: Final answer
    x = 14,147.33

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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.