Home / 13,963.45-19,269.34-7,675.69

Finding the Fourth Proportional to 13,963.45, 19,269.34 and 7,675.69

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Solution

The fourth proportional to 13,963.45, 19,269.34 and 7,675.69 is: 10,592.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.45 : 19,269.34 = 7,675.69 : x
  2. Step 2: Convert to fraction form
    13,963.45/19,269.34 = 7,675.69/x
  3. Step 3: Cross multiply
    13,963.45x = 19,269.34 × 7,675.69
  4. Step 4: Simplify right side
    13,963.45x = 147,905,480.34
  5. Step 5: Solve for x
    x = 147,905,480.34/13,963.45
  6. Step 6: Final answer
    x = 10,592.33

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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.