Home / 13,493.69-20,246.39-7,246.42

Finding the Fourth Proportional to 13,493.69, 20,246.39 and 7,246.42

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Solution

The fourth proportional to 13,493.69, 20,246.39 and 7,246.42 is: 10,872.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.69 : 20,246.39 = 7,246.42 : x
  2. Step 2: Convert to fraction form
    13,493.69/20,246.39 = 7,246.42/x
  3. Step 3: Cross multiply
    13,493.69x = 20,246.39 × 7,246.42
  4. Step 4: Simplify right side
    13,493.69x = 146,713,845.42
  5. Step 5: Solve for x
    x = 146,713,845.42/13,493.69
  6. Step 6: Final answer
    x = 10,872.77

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1.5x scale

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.