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Finding the Fourth Proportional to 14,820.61, 20,452.39 and 8,014.58

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Solution

The fourth proportional to 14,820.61, 20,452.39 and 8,014.58 is: 11,060.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.61 : 20,452.39 = 8,014.58 : x
  2. Step 2: Convert to fraction form
    14,820.61/20,452.39 = 8,014.58/x
  3. Step 3: Cross multiply
    14,820.61x = 20,452.39 × 8,014.58
  4. Step 4: Simplify right side
    14,820.61x = 163,917,315.85
  5. Step 5: Solve for x
    x = 163,917,315.85/14,820.61
  6. Step 6: Final answer
    x = 11,060.09

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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.