Home / 13,473.02-18,589.60-8,167.70

Finding the Fourth Proportional to 13,473.02, 18,589.60 and 8,167.70

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Solution

The fourth proportional to 13,473.02, 18,589.60 and 8,167.70 is: 11,269.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473.02 : 18,589.60 = 8,167.70 : x
  2. Step 2: Convert to fraction form
    13,473.02/18,589.60 = 8,167.70/x
  3. Step 3: Cross multiply
    13,473.02x = 18,589.60 × 8,167.70
  4. Step 4: Simplify right side
    13,473.02x = 151,834,275.92
  5. Step 5: Solve for x
    x = 151,834,275.92/13,473.02
  6. Step 6: Final answer
    x = 11,269.51

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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.