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Finding the Fourth Proportional to 14,598.25, 20,146.07 and 7,974.25

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Solution

The fourth proportional to 14,598.25, 20,146.07 and 7,974.25 is: 11,004.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,598.25 : 20,146.07 = 7,974.25 : x
  2. Step 2: Convert to fraction form
    14,598.25/20,146.07 = 7,974.25/x
  3. Step 3: Cross multiply
    14,598.25x = 20,146.07 × 7,974.25
  4. Step 4: Simplify right side
    14,598.25x = 160,649,798.70
  5. Step 5: Solve for x
    x = 160,649,798.70/14,598.25
  6. Step 6: Final answer
    x = 11,004.73

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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.