Home / 23,209.20-34,813.80-19,272.60

Finding the Fourth Proportional to 23,209.20, 34,813.80 and 19,272.60

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Solution

The fourth proportional to 23,209.20, 34,813.80 and 19,272.60 is: 28,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,209.20 : 34,813.80 = 19,272.60 : x
  2. Step 2: Convert to fraction form
    23,209.20/34,813.80 = 19,272.60/x
  3. Step 3: Cross multiply
    23,209.20x = 34,813.80 × 19,272.60
  4. Step 4: Simplify right side
    23,209.20x = 670,952,441.88
  5. Step 5: Solve for x
    x = 670,952,441.88/23,209.20
  6. Step 6: Final answer
    x = 28,908.90

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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.