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Finding the Fourth Proportional to 14,340.74, 19,795.86 and 9,034.56

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Solution

The fourth proportional to 14,340.74, 19,795.86 and 9,034.56 is: 12,471.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.74 : 19,795.86 = 9,034.56 : x
  2. Step 2: Convert to fraction form
    14,340.74/19,795.86 = 9,034.56/x
  3. Step 3: Cross multiply
    14,340.74x = 19,795.86 × 9,034.56
  4. Step 4: Simplify right side
    14,340.74x = 178,846,884.92
  5. Step 5: Solve for x
    x = 178,846,884.92/14,340.74
  6. Step 6: Final answer
    x = 12,471.25

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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.