Home / 13,951.72-19,253.51-7,578.37

Finding the Fourth Proportional to 13,951.72, 19,253.51 and 7,578.37

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Solution

The fourth proportional to 13,951.72, 19,253.51 and 7,578.37 is: 10,458.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.72 : 19,253.51 = 7,578.37 : x
  2. Step 2: Convert to fraction form
    13,951.72/19,253.51 = 7,578.37/x
  3. Step 3: Cross multiply
    13,951.72x = 19,253.51 × 7,578.37
  4. Step 4: Simplify right side
    13,951.72x = 145,910,193.39
  5. Step 5: Solve for x
    x = 145,910,193.39/13,951.72
  6. Step 6: Final answer
    x = 10,458.22

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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.