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Finding the Fourth Proportional to 14,762.67, 20,372.58 and 8,794.59

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Solution

The fourth proportional to 14,762.67, 20,372.58 and 8,794.59 is: 12,136.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762.67 : 20,372.58 = 8,794.59 : x
  2. Step 2: Convert to fraction form
    14,762.67/20,372.58 = 8,794.59/x
  3. Step 3: Cross multiply
    14,762.67x = 20,372.58 × 8,794.59
  4. Step 4: Simplify right side
    14,762.67x = 179,168,488.34
  5. Step 5: Solve for x
    x = 179,168,488.34/14,762.67
  6. Step 6: Final answer
    x = 12,136.59

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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.