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Finding the Fourth Proportional to 14,975.43, 20,665.44 and 9,010.32

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Solution

The fourth proportional to 14,975.43, 20,665.44 and 9,010.32 is: 12,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975.43 : 20,665.44 = 9,010.32 : x
  2. Step 2: Convert to fraction form
    14,975.43/20,665.44 = 9,010.32/x
  3. Step 3: Cross multiply
    14,975.43x = 20,665.44 × 9,010.32
  4. Step 4: Simplify right side
    14,975.43x = 186,202,227.34
  5. Step 5: Solve for x
    x = 186,202,227.34/14,975.43
  6. Step 6: Final answer
    x = 12,433.85

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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.