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Finding the Fourth Proportional to 14,466.11, 21,697.53 and 9,815.99

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Solution

The fourth proportional to 14,466.11, 21,697.53 and 9,815.99 is: 14,722.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,466.11 : 21,697.53 = 9,815.99 : x
  2. Step 2: Convert to fraction form
    14,466.11/21,697.53 = 9,815.99/x
  3. Step 3: Cross multiply
    14,466.11x = 21,697.53 × 9,815.99
  4. Step 4: Simplify right side
    14,466.11x = 212,982,737.50
  5. Step 5: Solve for x
    x = 212,982,737.50/14,466.11
  6. Step 6: Final answer
    x = 14,722.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.