Home / 19,825.45-29,736.63-7,339.60

Finding the Fourth Proportional to 19,825.45, 29,736.63 and 7,339.60

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Solution

The fourth proportional to 19,825.45, 29,736.63 and 7,339.60 is: 11,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.45 : 29,736.63 = 7,339.60 : x
  2. Step 2: Convert to fraction form
    19,825.45/29,736.63 = 7,339.60/x
  3. Step 3: Cross multiply
    19,825.45x = 29,736.63 × 7,339.60
  4. Step 4: Simplify right side
    19,825.45x = 218,254,969.55
  5. Step 5: Solve for x
    x = 218,254,969.55/19,825.45
  6. Step 6: Final answer
    x = 11,008.83

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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.