Home / 22,431.12-33,651.08-6,636.40

Finding the Fourth Proportional to 22,431.12, 33,651.08 and 6,636.40

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Solution

The fourth proportional to 22,431.12, 33,651.08 and 6,636.40 is: 9,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,431.12 : 33,651.08 = 6,636.40 : x
  2. Step 2: Convert to fraction form
    22,431.12/33,651.08 = 6,636.40/x
  3. Step 3: Cross multiply
    22,431.12x = 33,651.08 × 6,636.40
  4. Step 4: Simplify right side
    22,431.12x = 223,322,027.31
  5. Step 5: Solve for x
    x = 223,322,027.31/22,431.12
  6. Step 6: Final answer
    x = 9,955.90

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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.