Home / 14,615.30-21,912.15-8,048.90

Finding the Fourth Proportional to 14,615.30, 21,912.15 and 8,048.90

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Solution

The fourth proportional to 14,615.30, 21,912.15 and 8,048.90 is: 12,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.30 : 21,912.15 = 8,048.90 : x
  2. Step 2: Convert to fraction form
    14,615.30/21,912.15 = 8,048.90/x
  3. Step 3: Cross multiply
    14,615.30x = 21,912.15 × 8,048.90
  4. Step 4: Simplify right side
    14,615.30x = 176,368,704.14
  5. Step 5: Solve for x
    x = 176,368,704.14/14,615.30
  6. Step 6: Final answer
    x = 12,067.40

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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.