Home / 14,489.15-21,729.11-7,466.99

Finding the Fourth Proportional to 14,489.15, 21,729.11 and 7,466.99

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Solution

The fourth proportional to 14,489.15, 21,729.11 and 7,466.99 is: 11,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489.15 : 21,729.11 = 7,466.99 : x
  2. Step 2: Convert to fraction form
    14,489.15/21,729.11 = 7,466.99/x
  3. Step 3: Cross multiply
    14,489.15x = 21,729.11 × 7,466.99
  4. Step 4: Simplify right side
    14,489.15x = 162,250,901.10
  5. Step 5: Solve for x
    x = 162,250,901.10/14,489.15
  6. Step 6: Final answer
    x = 11,198.10

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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.