Home / 13,933.62-19,226.70-7,645.86

Finding the Fourth Proportional to 13,933.62, 19,226.70 and 7,645.86

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Solution

The fourth proportional to 13,933.62, 19,226.70 and 7,645.86 is: 10,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.62 : 19,226.70 = 7,645.86 : x
  2. Step 2: Convert to fraction form
    13,933.62/19,226.70 = 7,645.86/x
  3. Step 3: Cross multiply
    13,933.62x = 19,226.70 × 7,645.86
  4. Step 4: Simplify right side
    13,933.62x = 147,004,656.46
  5. Step 5: Solve for x
    x = 147,004,656.46/13,933.62
  6. Step 6: Final answer
    x = 10,550.36

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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.