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Finding the Fourth Proportional to 13,593.59, 18,730.41 and 12,658.58

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Solution

The fourth proportional to 13,593.59, 18,730.41 and 12,658.58 is: 17,442.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.59 : 18,730.41 = 12,658.58 : x
  2. Step 2: Convert to fraction form
    13,593.59/18,730.41 = 12,658.58/x
  3. Step 3: Cross multiply
    13,593.59x = 18,730.41 × 12,658.58
  4. Step 4: Simplify right side
    13,593.59x = 237,100,393.42
  5. Step 5: Solve for x
    x = 237,100,393.42/13,593.59
  6. Step 6: Final answer
    x = 17,442.07

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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.