Home / 17,623.20-26,434.80-16,845.60

Finding the Fourth Proportional to 17,623.20, 26,434.80 and 16,845.60

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Solution

The fourth proportional to 17,623.20, 26,434.80 and 16,845.60 is: 25,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,623.20 : 26,434.80 = 16,845.60 : x
  2. Step 2: Convert to fraction form
    17,623.20/26,434.80 = 16,845.60/x
  3. Step 3: Cross multiply
    17,623.20x = 26,434.80 × 16,845.60
  4. Step 4: Simplify right side
    17,623.20x = 445,310,066.88
  5. Step 5: Solve for x
    x = 445,310,066.88/17,623.20
  6. Step 6: Final answer
    x = 25,268.40

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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.