Home / 15,107.18-20,846.94-9,441.62

Finding the Fourth Proportional to 15,107.18, 20,846.94 and 9,441.62

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Solution

The fourth proportional to 15,107.18, 20,846.94 and 9,441.62 is: 13,028.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,107.18 : 20,846.94 = 9,441.62 : x
  2. Step 2: Convert to fraction form
    15,107.18/20,846.94 = 9,441.62/x
  3. Step 3: Cross multiply
    15,107.18x = 20,846.94 × 9,441.62
  4. Step 4: Simplify right side
    15,107.18x = 196,828,885.64
  5. Step 5: Solve for x
    x = 196,828,885.64/15,107.18
  6. Step 6: Final answer
    x = 13,028.83

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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.