Home / 19,216.80-28,823.94-6,078.60

Finding the Fourth Proportional to 19,216.80, 28,823.94 and 6,078.60

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Solution

The fourth proportional to 19,216.80, 28,823.94 and 6,078.60 is: 9,117.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.80 : 28,823.94 = 6,078.60 : x
  2. Step 2: Convert to fraction form
    19,216.80/28,823.94 = 6,078.60/x
  3. Step 3: Cross multiply
    19,216.80x = 28,823.94 × 6,078.60
  4. Step 4: Simplify right side
    19,216.80x = 175,209,201.68
  5. Step 5: Solve for x
    x = 175,209,201.68/19,216.80
  6. Step 6: Final answer
    x = 9,117.50

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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.