Home / 17,661.12-26,451.36-8,433.60

Finding the Fourth Proportional to 17,661.12, 26,451.36 and 8,433.60

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Solution

The fourth proportional to 17,661.12, 26,451.36 and 8,433.60 is: 12,631.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,661.12 : 26,451.36 = 8,433.60 : x
  2. Step 2: Convert to fraction form
    17,661.12/26,451.36 = 8,433.60/x
  3. Step 3: Cross multiply
    17,661.12x = 26,451.36 × 8,433.60
  4. Step 4: Simplify right side
    17,661.12x = 223,080,189.70
  5. Step 5: Solve for x
    x = 223,080,189.70/17,661.12
  6. Step 6: Final answer
    x = 12,631.15

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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.