Home / 30,622.09-42,255.22-17,194.81

Finding the Fourth Proportional to 30,622.09, 42,255.22 and 17,194.81

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Solution

The fourth proportional to 30,622.09, 42,255.22 and 17,194.81 is: 23,727.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622.09 : 42,255.22 = 17,194.81 : x
  2. Step 2: Convert to fraction form
    30,622.09/42,255.22 = 17,194.81/x
  3. Step 3: Cross multiply
    30,622.09x = 42,255.22 × 17,194.81
  4. Step 4: Simplify right side
    30,622.09x = 726,570,479.41
  5. Step 5: Solve for x
    x = 726,570,479.41/30,622.09
  6. Step 6: Final answer
    x = 23,727.00

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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.