Home / 13,160.24-18,173.25-8,452.72

Finding the Fourth Proportional to 13,160.24, 18,173.25 and 8,452.72

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Solution

The fourth proportional to 13,160.24, 18,173.25 and 8,452.72 is: 11,672.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.24 : 18,173.25 = 8,452.72 : x
  2. Step 2: Convert to fraction form
    13,160.24/18,173.25 = 8,452.72/x
  3. Step 3: Cross multiply
    13,160.24x = 18,173.25 × 8,452.72
  4. Step 4: Simplify right side
    13,160.24x = 153,613,393.74
  5. Step 5: Solve for x
    x = 153,613,393.74/13,160.24
  6. Step 6: Final answer
    x = 11,672.54

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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.