Home / 19,395.53-26,768.30-11,438.49

Finding the Fourth Proportional to 19,395.53, 26,768.30 and 11,438.49

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Solution

The fourth proportional to 19,395.53, 26,768.30 and 11,438.49 is: 15,786.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.53 : 26,768.30 = 11,438.49 : x
  2. Step 2: Convert to fraction form
    19,395.53/26,768.30 = 11,438.49/x
  3. Step 3: Cross multiply
    19,395.53x = 26,768.30 × 11,438.49
  4. Step 4: Simplify right side
    19,395.53x = 306,188,874.67
  5. Step 5: Solve for x
    x = 306,188,874.67/19,395.53
  6. Step 6: Final answer
    x = 15,786.57

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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.