Home / 19,366.20-28,982.10-11,580.60

Finding the Fourth Proportional to 19,366.20, 28,982.10 and 11,580.60

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Solution

The fourth proportional to 19,366.20, 28,982.10 and 11,580.60 is: 17,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,366.20 : 28,982.10 = 11,580.60 : x
  2. Step 2: Convert to fraction form
    19,366.20/28,982.10 = 11,580.60/x
  3. Step 3: Cross multiply
    19,366.20x = 28,982.10 × 11,580.60
  4. Step 4: Simplify right side
    19,366.20x = 335,630,107.26
  5. Step 5: Solve for x
    x = 335,630,107.26/19,366.20
  6. Step 6: Final answer
    x = 17,330.72

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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.