Home / 13,840.80-20,770.92-6,055.08

Finding the Fourth Proportional to 13,840.80, 20,770.92 and 6,055.08

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Solution

The fourth proportional to 13,840.80, 20,770.92 and 6,055.08 is: 9,086.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.80 : 20,770.92 = 6,055.08 : x
  2. Step 2: Convert to fraction form
    13,840.80/20,770.92 = 6,055.08/x
  3. Step 3: Cross multiply
    13,840.80x = 20,770.92 × 6,055.08
  4. Step 4: Simplify right side
    13,840.80x = 125,769,582.27
  5. Step 5: Solve for x
    x = 125,769,582.27/13,840.80
  6. Step 6: Final answer
    x = 9,086.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.