Home / 14,227.26-19,632.83-7,940.04

Finding the Fourth Proportional to 14,227.26, 19,632.83 and 7,940.04

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Solution

The fourth proportional to 14,227.26, 19,632.83 and 7,940.04 is: 10,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.26 : 19,632.83 = 7,940.04 : x
  2. Step 2: Convert to fraction form
    14,227.26/19,632.83 = 7,940.04/x
  3. Step 3: Cross multiply
    14,227.26x = 19,632.83 × 7,940.04
  4. Step 4: Simplify right side
    14,227.26x = 155,885,415.81
  5. Step 5: Solve for x
    x = 155,885,415.81/14,227.26
  6. Step 6: Final answer
    x = 10,956.81

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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.