Home / 13,876.03-19,149.43-7,907.54

Finding the Fourth Proportional to 13,876.03, 19,149.43 and 7,907.54

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Solution

The fourth proportional to 13,876.03, 19,149.43 and 7,907.54 is: 10,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.03 : 19,149.43 = 7,907.54 : x
  2. Step 2: Convert to fraction form
    13,876.03/19,149.43 = 7,907.54/x
  3. Step 3: Cross multiply
    13,876.03x = 19,149.43 × 7,907.54
  4. Step 4: Simplify right side
    13,876.03x = 151,424,903.47
  5. Step 5: Solve for x
    x = 151,424,903.47/13,876.03
  6. Step 6: Final answer
    x = 10,912.70

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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.