Home / 13,198.01-19,793.55-4,880.40

Finding the Fourth Proportional to 13,198.01, 19,793.55 and 4,880.40

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Solution

The fourth proportional to 13,198.01, 19,793.55 and 4,880.40 is: 7,319.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198.01 : 19,793.55 = 4,880.40 : x
  2. Step 2: Convert to fraction form
    13,198.01/19,793.55 = 4,880.40/x
  3. Step 3: Cross multiply
    13,198.01x = 19,793.55 × 4,880.40
  4. Step 4: Simplify right side
    13,198.01x = 96,600,441.42
  5. Step 5: Solve for x
    x = 96,600,441.42/13,198.01
  6. Step 6: Final answer
    x = 7,319.32

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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.