Home / 14,297.12-19,731.12-8,996.48

Finding the Fourth Proportional to 14,297.12, 19,731.12 and 8,996.48

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Solution

The fourth proportional to 14,297.12, 19,731.12 and 8,996.48 is: 12,415.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.12 : 19,731.12 = 8,996.48 : x
  2. Step 2: Convert to fraction form
    14,297.12/19,731.12 = 8,996.48/x
  3. Step 3: Cross multiply
    14,297.12x = 19,731.12 × 8,996.48
  4. Step 4: Simplify right side
    14,297.12x = 177,510,626.46
  5. Step 5: Solve for x
    x = 177,510,626.46/14,297.12
  6. Step 6: Final answer
    x = 12,415.83

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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.