Home / 14,515.24-21,781.26-6,723.64

Finding the Fourth Proportional to 14,515.24, 21,781.26 and 6,723.64

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Solution

The fourth proportional to 14,515.24, 21,781.26 and 6,723.64 is: 10,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.24 : 21,781.26 = 6,723.64 : x
  2. Step 2: Convert to fraction form
    14,515.24/21,781.26 = 6,723.64/x
  3. Step 3: Cross multiply
    14,515.24x = 21,781.26 × 6,723.64
  4. Step 4: Simplify right side
    14,515.24x = 146,449,350.99
  5. Step 5: Solve for x
    x = 146,449,350.99/14,515.24
  6. Step 6: Final answer
    x = 10,089.35

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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.