Home / 14,270.23-19,694.78-7,984.63

Finding the Fourth Proportional to 14,270.23, 19,694.78 and 7,984.63

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Solution

The fourth proportional to 14,270.23, 19,694.78 and 7,984.63 is: 11,019.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.23 : 19,694.78 = 7,984.63 : x
  2. Step 2: Convert to fraction form
    14,270.23/19,694.78 = 7,984.63/x
  3. Step 3: Cross multiply
    14,270.23x = 19,694.78 × 7,984.63
  4. Step 4: Simplify right side
    14,270.23x = 157,255,531.23
  5. Step 5: Solve for x
    x = 157,255,531.23/14,270.23
  6. Step 6: Final answer
    x = 11,019.83

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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.