Home / 13,177.59-18,185.50-7,512.23

Finding the Fourth Proportional to 13,177.59, 18,185.50 and 7,512.23

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Solution

The fourth proportional to 13,177.59, 18,185.50 and 7,512.23 is: 10,367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.59 : 18,185.50 = 7,512.23 : x
  2. Step 2: Convert to fraction form
    13,177.59/18,185.50 = 7,512.23/x
  3. Step 3: Cross multiply
    13,177.59x = 18,185.50 × 7,512.23
  4. Step 4: Simplify right side
    13,177.59x = 136,613,658.67
  5. Step 5: Solve for x
    x = 136,613,658.67/13,177.59
  6. Step 6: Final answer
    x = 10,367.12

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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.