Home / 18,950.55-26,146.96-11,394.46

Finding the Fourth Proportional to 18,950.55, 26,146.96 and 11,394.46

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Solution

The fourth proportional to 18,950.55, 26,146.96 and 11,394.46 is: 15,721.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.55 : 26,146.96 = 11,394.46 : x
  2. Step 2: Convert to fraction form
    18,950.55/26,146.96 = 11,394.46/x
  3. Step 3: Cross multiply
    18,950.55x = 26,146.96 × 11,394.46
  4. Step 4: Simplify right side
    18,950.55x = 297,930,489.84
  5. Step 5: Solve for x
    x = 297,930,489.84/18,950.55
  6. Step 6: Final answer
    x = 15,721.47

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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.