Home / 13,559.80-20,339.70-9,844.60

Finding the Fourth Proportional to 13,559.80, 20,339.70 and 9,844.60

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Solution

The fourth proportional to 13,559.80, 20,339.70 and 9,844.60 is: 14,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.80 : 20,339.70 = 9,844.60 : x
  2. Step 2: Convert to fraction form
    13,559.80/20,339.70 = 9,844.60/x
  3. Step 3: Cross multiply
    13,559.80x = 20,339.70 × 9,844.60
  4. Step 4: Simplify right side
    13,559.80x = 200,236,210.62
  5. Step 5: Solve for x
    x = 200,236,210.62/13,559.80
  6. Step 6: Final answer
    x = 14,766.90

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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.