Home / 19,711.53-27,202.23-11,758.41

Finding the Fourth Proportional to 19,711.53, 27,202.23 and 11,758.41

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Solution

The fourth proportional to 19,711.53, 27,202.23 and 11,758.41 is: 16,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.53 : 27,202.23 = 11,758.41 : x
  2. Step 2: Convert to fraction form
    19,711.53/27,202.23 = 11,758.41/x
  3. Step 3: Cross multiply
    19,711.53x = 27,202.23 × 11,758.41
  4. Step 4: Simplify right side
    19,711.53x = 319,854,973.25
  5. Step 5: Solve for x
    x = 319,854,973.25/19,711.53
  6. Step 6: Final answer
    x = 16,226.80

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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.