Home / 14,705.03-20,290.66-8,736.55

Finding the Fourth Proportional to 14,705.03, 20,290.66 and 8,736.55

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Solution

The fourth proportional to 14,705.03, 20,290.66 and 8,736.55 is: 12,055.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,705.03 : 20,290.66 = 8,736.55 : x
  2. Step 2: Convert to fraction form
    14,705.03/20,290.66 = 8,736.55/x
  3. Step 3: Cross multiply
    14,705.03x = 20,290.66 × 8,736.55
  4. Step 4: Simplify right side
    14,705.03x = 177,270,220.49
  5. Step 5: Solve for x
    x = 177,270,220.49/14,705.03
  6. Step 6: Final answer
    x = 12,055.07

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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.