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Finding the Fourth Proportional to 14,398.52, 19,846.06 and 11,409.08

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Solution

The fourth proportional to 14,398.52, 19,846.06 and 11,409.08 is: 15,725.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,398.52 : 19,846.06 = 11,409.08 : x
  2. Step 2: Convert to fraction form
    14,398.52/19,846.06 = 11,409.08/x
  3. Step 3: Cross multiply
    14,398.52x = 19,846.06 × 11,409.08
  4. Step 4: Simplify right side
    14,398.52x = 226,425,286.22
  5. Step 5: Solve for x
    x = 226,425,286.22/14,398.52
  6. Step 6: Final answer
    x = 15,725.59

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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.