Home / 14,734.74-20,336.74-8,769.90

Finding the Fourth Proportional to 14,734.74, 20,336.74 and 8,769.90

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Solution

The fourth proportional to 14,734.74, 20,336.74 and 8,769.90 is: 12,104.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,734.74 : 20,336.74 = 8,769.90 : x
  2. Step 2: Convert to fraction form
    14,734.74/20,336.74 = 8,769.90/x
  3. Step 3: Cross multiply
    14,734.74x = 20,336.74 × 8,769.90
  4. Step 4: Simplify right side
    14,734.74x = 178,351,176.13
  5. Step 5: Solve for x
    x = 178,351,176.13/14,734.74
  6. Step 6: Final answer
    x = 12,104.13

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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.