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Finding the Fourth Proportional to 18,386.52, 27,593.64 and 13,468.74

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Solution

The fourth proportional to 18,386.52, 27,593.64 and 13,468.74 is: 20,213.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386.52 : 27,593.64 = 13,468.74 : x
  2. Step 2: Convert to fraction form
    18,386.52/27,593.64 = 13,468.74/x
  3. Step 3: Cross multiply
    18,386.52x = 27,593.64 × 13,468.74
  4. Step 4: Simplify right side
    18,386.52x = 371,651,562.81
  5. Step 5: Solve for x
    x = 371,651,562.81/18,386.52
  6. Step 6: Final answer
    x = 20,213.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.