Home / 23,431.96-35,143.62-12,303.64

Finding the Fourth Proportional to 23,431.96, 35,143.62 and 12,303.64

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Solution

The fourth proportional to 23,431.96, 35,143.62 and 12,303.64 is: 18,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431.96 : 35,143.62 = 12,303.64 : x
  2. Step 2: Convert to fraction form
    23,431.96/35,143.62 = 12,303.64/x
  3. Step 3: Cross multiply
    23,431.96x = 35,143.62 × 12,303.64
  4. Step 4: Simplify right side
    23,431.96x = 432,394,448.78
  5. Step 5: Solve for x
    x = 432,394,448.78/23,431.96
  6. Step 6: Final answer
    x = 18,453.19

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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.