Home / 14,734.30-20,334.37-8,274.44

Finding the Fourth Proportional to 14,734.30, 20,334.37 and 8,274.44

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Solution

The fourth proportional to 14,734.30, 20,334.37 and 8,274.44 is: 11,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,734.30 : 20,334.37 = 8,274.44 : x
  2. Step 2: Convert to fraction form
    14,734.30/20,334.37 = 8,274.44/x
  3. Step 3: Cross multiply
    14,734.30x = 20,334.37 × 8,274.44
  4. Step 4: Simplify right side
    14,734.30x = 168,255,554.65
  5. Step 5: Solve for x
    x = 168,255,554.65/14,734.30
  6. Step 6: Final answer
    x = 11,419.31

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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.