Home / 17,072.64-25,615.68-11,153.28

Finding the Fourth Proportional to 17,072.64, 25,615.68 and 11,153.28

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Solution

The fourth proportional to 17,072.64, 25,615.68 and 11,153.28 is: 16,734.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,072.64 : 25,615.68 = 11,153.28 : x
  2. Step 2: Convert to fraction form
    17,072.64/25,615.68 = 11,153.28/x
  3. Step 3: Cross multiply
    17,072.64x = 25,615.68 × 11,153.28
  4. Step 4: Simplify right side
    17,072.64x = 285,698,851.43
  5. Step 5: Solve for x
    x = 285,698,851.43/17,072.64
  6. Step 6: Final answer
    x = 16,734.31

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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.