Home / 14,988.73-20,684.43-8,274.36

Finding the Fourth Proportional to 14,988.73, 20,684.43 and 8,274.36

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Solution

The fourth proportional to 14,988.73, 20,684.43 and 8,274.36 is: 11,418.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.73 : 20,684.43 = 8,274.36 : x
  2. Step 2: Convert to fraction form
    14,988.73/20,684.43 = 8,274.36/x
  3. Step 3: Cross multiply
    14,988.73x = 20,684.43 × 8,274.36
  4. Step 4: Simplify right side
    14,988.73x = 171,150,420.21
  5. Step 5: Solve for x
    x = 171,150,420.21/14,988.73
  6. Step 6: Final answer
    x = 11,418.61

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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.