Home / 25,163.65-34,724.19-13,830.94

Finding the Fourth Proportional to 25,163.65, 34,724.19 and 13,830.94

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Solution

The fourth proportional to 25,163.65, 34,724.19 and 13,830.94 is: 19,085.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,163.65 : 34,724.19 = 13,830.94 : x
  2. Step 2: Convert to fraction form
    25,163.65/34,724.19 = 13,830.94/x
  3. Step 3: Cross multiply
    25,163.65x = 34,724.19 × 13,830.94
  4. Step 4: Simplify right side
    25,163.65x = 480,268,188.44
  5. Step 5: Solve for x
    x = 480,268,188.44/25,163.65
  6. Step 6: Final answer
    x = 19,085.79

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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.