Home / 13,465.14-20,192.84-5,674.56

Finding the Fourth Proportional to 13,465.14, 20,192.84 and 5,674.56

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Solution

The fourth proportional to 13,465.14, 20,192.84 and 5,674.56 is: 8,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.14 : 20,192.84 = 5,674.56 : x
  2. Step 2: Convert to fraction form
    13,465.14/20,192.84 = 5,674.56/x
  3. Step 3: Cross multiply
    13,465.14x = 20,192.84 × 5,674.56
  4. Step 4: Simplify right side
    13,465.14x = 114,585,482.15
  5. Step 5: Solve for x
    x = 114,585,482.15/13,465.14
  6. Step 6: Final answer
    x = 8,509.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.