Home / 14,097.45-19,450.06-8,128.32

Finding the Fourth Proportional to 14,097.45, 19,450.06 and 8,128.32

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Solution

The fourth proportional to 14,097.45, 19,450.06 and 8,128.32 is: 11,214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,097.45 : 19,450.06 = 8,128.32 : x
  2. Step 2: Convert to fraction form
    14,097.45/19,450.06 = 8,128.32/x
  3. Step 3: Cross multiply
    14,097.45x = 19,450.06 × 8,128.32
  4. Step 4: Simplify right side
    14,097.45x = 158,096,311.70
  5. Step 5: Solve for x
    x = 158,096,311.70/14,097.45
  6. Step 6: Final answer
    x = 11,214.53

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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.