Home / 13,933.56-19,228.26-7,645.92

Finding the Fourth Proportional to 13,933.56, 19,228.26 and 7,645.92

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Solution

The fourth proportional to 13,933.56, 19,228.26 and 7,645.92 is: 10,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.56 : 19,228.26 = 7,645.92 : x
  2. Step 2: Convert to fraction form
    13,933.56/19,228.26 = 7,645.92/x
  3. Step 3: Cross multiply
    13,933.56x = 19,228.26 × 7,645.92
  4. Step 4: Simplify right side
    13,933.56x = 147,017,737.70
  5. Step 5: Solve for x
    x = 147,017,737.70/13,933.56
  6. Step 6: Final answer
    x = 10,551.34

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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.