Home / 19,230.95-26,539.40-11,163.99

Finding the Fourth Proportional to 19,230.95, 26,539.40 and 11,163.99

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Solution

The fourth proportional to 19,230.95, 26,539.40 and 11,163.99 is: 15,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230.95 : 26,539.40 = 11,163.99 : x
  2. Step 2: Convert to fraction form
    19,230.95/26,539.40 = 11,163.99/x
  3. Step 3: Cross multiply
    19,230.95x = 26,539.40 × 11,163.99
  4. Step 4: Simplify right side
    19,230.95x = 296,285,660.84
  5. Step 5: Solve for x
    x = 296,285,660.84/19,230.95
  6. Step 6: Final answer
    x = 15,406.71

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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.