Home / 14,885.36-20,476.49-12,449.62

Finding the Fourth Proportional to 14,885.36, 20,476.49 and 12,449.62

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Solution

The fourth proportional to 14,885.36, 20,476.49 and 12,449.62 is: 17,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,885.36 : 20,476.49 = 12,449.62 : x
  2. Step 2: Convert to fraction form
    14,885.36/20,476.49 = 12,449.62/x
  3. Step 3: Cross multiply
    14,885.36x = 20,476.49 × 12,449.62
  4. Step 4: Simplify right side
    14,885.36x = 254,924,519.43
  5. Step 5: Solve for x
    x = 254,924,519.43/14,885.36
  6. Step 6: Final answer
    x = 17,125.86

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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.