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Finding the Fourth Proportional to 14,398.31, 19,873.38 and 9,375.08

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Solution

The fourth proportional to 14,398.31, 19,873.38 and 9,375.08 is: 12,940.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,398.31 : 19,873.38 = 9,375.08 : x
  2. Step 2: Convert to fraction form
    14,398.31/19,873.38 = 9,375.08/x
  3. Step 3: Cross multiply
    14,398.31x = 19,873.38 × 9,375.08
  4. Step 4: Simplify right side
    14,398.31x = 186,314,527.37
  5. Step 5: Solve for x
    x = 186,314,527.37/14,398.31
  6. Step 6: Final answer
    x = 12,940.03

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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.