Home / 19,329.82-26,674.70-11,372.55

Finding the Fourth Proportional to 19,329.82, 26,674.70 and 11,372.55

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Solution

The fourth proportional to 19,329.82, 26,674.70 and 11,372.55 is: 15,693.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.82 : 26,674.70 = 11,372.55 : x
  2. Step 2: Convert to fraction form
    19,329.82/26,674.70 = 11,372.55/x
  3. Step 3: Cross multiply
    19,329.82x = 26,674.70 × 11,372.55
  4. Step 4: Simplify right side
    19,329.82x = 303,359,369.31
  5. Step 5: Solve for x
    x = 303,359,369.31/19,329.82
  6. Step 6: Final answer
    x = 15,693.86

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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.