Home / 18,766.56-25,897.52-11,314.56

Finding the Fourth Proportional to 18,766.56, 25,897.52 and 11,314.56

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Solution

The fourth proportional to 18,766.56, 25,897.52 and 11,314.56 is: 15,613.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.56 : 25,897.52 = 11,314.56 : x
  2. Step 2: Convert to fraction form
    18,766.56/25,897.52 = 11,314.56/x
  3. Step 3: Cross multiply
    18,766.56x = 25,897.52 × 11,314.56
  4. Step 4: Simplify right side
    18,766.56x = 293,019,043.89
  5. Step 5: Solve for x
    x = 293,019,043.89/18,766.56
  6. Step 6: Final answer
    x = 15,613.89

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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.