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Finding the Fourth Proportional to 14,917.44, 20,580.95 and 9,250.15

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Solution

The fourth proportional to 14,917.44, 20,580.95 and 9,250.15 is: 12,762.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,917.44 : 20,580.95 = 9,250.15 : x
  2. Step 2: Convert to fraction form
    14,917.44/20,580.95 = 9,250.15/x
  3. Step 3: Cross multiply
    14,917.44x = 20,580.95 × 9,250.15
  4. Step 4: Simplify right side
    14,917.44x = 190,376,874.64
  5. Step 5: Solve for x
    x = 190,376,874.64/14,917.44
  6. Step 6: Final answer
    x = 12,762.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.