Home / 30,626.00-42,268.43-18,696.25

Finding the Fourth Proportional to 30,626.00, 42,268.43 and 18,696.25

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Solution

The fourth proportional to 30,626.00, 42,268.43 and 18,696.25 is: 25,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,626.00 : 42,268.43 = 18,696.25 : x
  2. Step 2: Convert to fraction form
    30,626.00/42,268.43 = 18,696.25/x
  3. Step 3: Cross multiply
    30,626.00x = 42,268.43 × 18,696.25
  4. Step 4: Simplify right side
    30,626.00x = 790,261,233.96
  5. Step 5: Solve for x
    x = 790,261,233.96/30,626.00
  6. Step 6: Final answer
    x = 25,803.61

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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.