Home / 19,012.30-26,236.82-10,947.54

Finding the Fourth Proportional to 19,012.30, 26,236.82 and 10,947.54

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Solution

The fourth proportional to 19,012.30, 26,236.82 and 10,947.54 is: 15,107.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.30 : 26,236.82 = 10,947.54 : x
  2. Step 2: Convert to fraction form
    19,012.30/26,236.82 = 10,947.54/x
  3. Step 3: Cross multiply
    19,012.30x = 26,236.82 × 10,947.54
  4. Step 4: Simplify right side
    19,012.30x = 287,228,636.42
  5. Step 5: Solve for x
    x = 287,228,636.42/19,012.30
  6. Step 6: Final answer
    x = 15,107.52

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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.