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Finding the Fourth Proportional to 16,995.75, 25,515.90 and 14,918.10

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Solution

The fourth proportional to 16,995.75, 25,515.90 and 14,918.10 is: 22,396.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,995.75 : 25,515.90 = 14,918.10 : x
  2. Step 2: Convert to fraction form
    16,995.75/25,515.90 = 14,918.10/x
  3. Step 3: Cross multiply
    16,995.75x = 25,515.90 × 14,918.10
  4. Step 4: Simplify right side
    16,995.75x = 380,648,747.79
  5. Step 5: Solve for x
    x = 380,648,747.79/16,995.75
  6. Step 6: Final answer
    x = 22,396.70

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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.