Home / 17,933.20-26,880.60-8,070.80

Finding the Fourth Proportional to 17,933.20, 26,880.60 and 8,070.80

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Solution

The fourth proportional to 17,933.20, 26,880.60 and 8,070.80 is: 12,097.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,933.20 : 26,880.60 = 8,070.80 : x
  2. Step 2: Convert to fraction form
    17,933.20/26,880.60 = 8,070.80/x
  3. Step 3: Cross multiply
    17,933.20x = 26,880.60 × 8,070.80
  4. Step 4: Simplify right side
    17,933.20x = 216,947,946.48
  5. Step 5: Solve for x
    x = 216,947,946.48/17,933.20
  6. Step 6: Final answer
    x = 12,097.56

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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.