Home / 23,455.20-35,269.20-19,653.60

Finding the Fourth Proportional to 23,455.20, 35,269.20 and 19,653.60

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Solution

The fourth proportional to 23,455.20, 35,269.20 and 19,653.60 is: 29,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,455.20 : 35,269.20 = 19,653.60 : x
  2. Step 2: Convert to fraction form
    23,455.20/35,269.20 = 19,653.60/x
  3. Step 3: Cross multiply
    23,455.20x = 35,269.20 × 19,653.60
  4. Step 4: Simplify right side
    23,455.20x = 693,166,749.12
  5. Step 5: Solve for x
    x = 693,166,749.12/23,455.20
  6. Step 6: Final answer
    x = 29,552.80

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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.