Home / 33,025.16-45,574.04-18,684.78

Finding the Fourth Proportional to 33,025.16, 45,574.04 and 18,684.78

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Solution

The fourth proportional to 33,025.16, 45,574.04 and 18,684.78 is: 25,784.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,025.16 : 45,574.04 = 18,684.78 : x
  2. Step 2: Convert to fraction form
    33,025.16/45,574.04 = 18,684.78/x
  3. Step 3: Cross multiply
    33,025.16x = 45,574.04 × 18,684.78
  4. Step 4: Simplify right side
    33,025.16x = 851,540,911.11
  5. Step 5: Solve for x
    x = 851,540,911.11/33,025.16
  6. Step 6: Final answer
    x = 25,784.61

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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.