Home / 13,933.17-19,226.84-7,645.95

Finding the Fourth Proportional to 13,933.17, 19,226.84 and 7,645.95

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Solution

The fourth proportional to 13,933.17, 19,226.84 and 7,645.95 is: 10,550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.17 : 19,226.84 = 7,645.95 : x
  2. Step 2: Convert to fraction form
    13,933.17/19,226.84 = 7,645.95/x
  3. Step 3: Cross multiply
    13,933.17x = 19,226.84 × 7,645.95
  4. Step 4: Simplify right side
    13,933.17x = 147,007,419.07
  5. Step 5: Solve for x
    x = 147,007,419.07/13,933.17
  6. Step 6: Final answer
    x = 10,550.90

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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.