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Finding the Fourth Proportional to 14,898.90, 20,559.11 and 8,524.20

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Solution

The fourth proportional to 14,898.90, 20,559.11 and 8,524.20 is: 11,762.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,898.90 : 20,559.11 = 8,524.20 : x
  2. Step 2: Convert to fraction form
    14,898.90/20,559.11 = 8,524.20/x
  3. Step 3: Cross multiply
    14,898.90x = 20,559.11 × 8,524.20
  4. Step 4: Simplify right side
    14,898.90x = 175,249,922.84
  5. Step 5: Solve for x
    x = 175,249,922.84/14,898.90
  6. Step 6: Final answer
    x = 11,762.61

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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.