Home / 16,883.64-25,310.88-7,515.18

Finding the Fourth Proportional to 16,883.64, 25,310.88 and 7,515.18

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Solution

The fourth proportional to 16,883.64, 25,310.88 and 7,515.18 is: 11,266.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,883.64 : 25,310.88 = 7,515.18 : x
  2. Step 2: Convert to fraction form
    16,883.64/25,310.88 = 7,515.18/x
  3. Step 3: Cross multiply
    16,883.64x = 25,310.88 × 7,515.18
  4. Step 4: Simplify right side
    16,883.64x = 190,215,819.16
  5. Step 5: Solve for x
    x = 190,215,819.16/16,883.64
  6. Step 6: Final answer
    x = 11,266.28

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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.