Home / 14,802.42-20,428.30-8,514.66

Finding the Fourth Proportional to 14,802.42, 20,428.30 and 8,514.66

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Solution

The fourth proportional to 14,802.42, 20,428.30 and 8,514.66 is: 11,750.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,802.42 : 20,428.30 = 8,514.66 : x
  2. Step 2: Convert to fraction form
    14,802.42/20,428.30 = 8,514.66/x
  3. Step 3: Cross multiply
    14,802.42x = 20,428.30 × 8,514.66
  4. Step 4: Simplify right side
    14,802.42x = 173,940,028.88
  5. Step 5: Solve for x
    x = 173,940,028.88/14,802.42
  6. Step 6: Final answer
    x = 11,750.78

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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.