Home / 19,193.77-26,478.35-11,231.06

Finding the Fourth Proportional to 19,193.77, 26,478.35 and 11,231.06

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Solution

The fourth proportional to 19,193.77, 26,478.35 and 11,231.06 is: 15,493.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.77 : 26,478.35 = 11,231.06 : x
  2. Step 2: Convert to fraction form
    19,193.77/26,478.35 = 11,231.06/x
  3. Step 3: Cross multiply
    19,193.77x = 26,478.35 × 11,231.06
  4. Step 4: Simplify right side
    19,193.77x = 297,379,947.59
  5. Step 5: Solve for x
    x = 297,379,947.59/19,193.77
  6. Step 6: Final answer
    x = 15,493.57

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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.