Home / 13,918.91-20,867.63-9,464.99

Finding the Fourth Proportional to 13,918.91, 20,867.63 and 9,464.99

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Solution

The fourth proportional to 13,918.91, 20,867.63 and 9,464.99 is: 14,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.91 : 20,867.63 = 9,464.99 : x
  2. Step 2: Convert to fraction form
    13,918.91/20,867.63 = 9,464.99/x
  3. Step 3: Cross multiply
    13,918.91x = 20,867.63 × 9,464.99
  4. Step 4: Simplify right side
    13,918.91x = 197,511,757.61
  5. Step 5: Solve for x
    x = 197,511,757.61/13,918.91
  6. Step 6: Final answer
    x = 14,190.18

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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.