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Finding the Fourth Proportional to 15,027.41, 20,730.84 and 9,723.94

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Solution

The fourth proportional to 15,027.41, 20,730.84 and 9,723.94 is: 13,414.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.41 : 20,730.84 = 9,723.94 : x
  2. Step 2: Convert to fraction form
    15,027.41/20,730.84 = 9,723.94/x
  3. Step 3: Cross multiply
    15,027.41x = 20,730.84 × 9,723.94
  4. Step 4: Simplify right side
    15,027.41x = 201,585,444.31
  5. Step 5: Solve for x
    x = 201,585,444.31/15,027.41
  6. Step 6: Final answer
    x = 13,414.52

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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.