Home / 13,472.02-18,593.58-8,167.60

Finding the Fourth Proportional to 13,472.02, 18,593.58 and 8,167.60

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Solution

The fourth proportional to 13,472.02, 18,593.58 and 8,167.60 is: 11,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.02 : 18,593.58 = 8,167.60 : x
  2. Step 2: Convert to fraction form
    13,472.02/18,593.58 = 8,167.60/x
  3. Step 3: Cross multiply
    13,472.02x = 18,593.58 × 8,167.60
  4. Step 4: Simplify right side
    13,472.02x = 151,864,924.01
  5. Step 5: Solve for x
    x = 151,864,924.01/13,472.02
  6. Step 6: Final answer
    x = 11,272.62

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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.