Home / 14,816.44-20,431.30-11,459.80

Finding the Fourth Proportional to 14,816.44, 20,431.30 and 11,459.80

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Solution

The fourth proportional to 14,816.44, 20,431.30 and 11,459.80 is: 15,802.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,816.44 : 20,431.30 = 11,459.80 : x
  2. Step 2: Convert to fraction form
    14,816.44/20,431.30 = 11,459.80/x
  3. Step 3: Cross multiply
    14,816.44x = 20,431.30 × 11,459.80
  4. Step 4: Simplify right side
    14,816.44x = 234,138,611.74
  5. Step 5: Solve for x
    x = 234,138,611.74/14,816.44
  6. Step 6: Final answer
    x = 15,802.62

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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.