Home / 13,579.47-18,704.43-9,593.64

Finding the Fourth Proportional to 13,579.47, 18,704.43 and 9,593.64

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Solution

The fourth proportional to 13,579.47, 18,704.43 and 9,593.64 is: 13,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579.47 : 18,704.43 = 9,593.64 : x
  2. Step 2: Convert to fraction form
    13,579.47/18,704.43 = 9,593.64/x
  3. Step 3: Cross multiply
    13,579.47x = 18,704.43 × 9,593.64
  4. Step 4: Simplify right side
    13,579.47x = 179,443,567.83
  5. Step 5: Solve for x
    x = 179,443,567.83/13,579.47
  6. Step 6: Final answer
    x = 13,214.33

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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.