Home / 19,825.95-27,355.83-11,330.85

Finding the Fourth Proportional to 19,825.95, 27,355.83 and 11,330.85

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Solution

The fourth proportional to 19,825.95, 27,355.83 and 11,330.85 is: 15,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.95 : 27,355.83 = 11,330.85 : x
  2. Step 2: Convert to fraction form
    19,825.95/27,355.83 = 11,330.85/x
  3. Step 3: Cross multiply
    19,825.95x = 27,355.83 × 11,330.85
  4. Step 4: Simplify right side
    19,825.95x = 309,964,806.36
  5. Step 5: Solve for x
    x = 309,964,806.36/19,825.95
  6. Step 6: Final answer
    x = 15,634.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.