Home / 19,185.80-26,476.37-11,229.53

Finding the Fourth Proportional to 19,185.80, 26,476.37 and 11,229.53

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Solution

The fourth proportional to 19,185.80, 26,476.37 and 11,229.53 is: 15,496.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.80 : 26,476.37 = 11,229.53 : x
  2. Step 2: Convert to fraction form
    19,185.80/26,476.37 = 11,229.53/x
  3. Step 3: Cross multiply
    19,185.80x = 26,476.37 × 11,229.53
  4. Step 4: Simplify right side
    19,185.80x = 297,317,068.87
  5. Step 5: Solve for x
    x = 297,317,068.87/19,185.80
  6. Step 6: Final answer
    x = 15,496.73

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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.