Home / 20,584.37-30,881.33-10,585.32

Finding the Fourth Proportional to 20,584.37, 30,881.33 and 10,585.32

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Solution

The fourth proportional to 20,584.37, 30,881.33 and 10,585.32 is: 15,880.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.37 : 30,881.33 = 10,585.32 : x
  2. Step 2: Convert to fraction form
    20,584.37/30,881.33 = 10,585.32/x
  3. Step 3: Cross multiply
    20,584.37x = 30,881.33 × 10,585.32
  4. Step 4: Simplify right side
    20,584.37x = 326,888,707.15
  5. Step 5: Solve for x
    x = 326,888,707.15/20,584.37
  6. Step 6: Final answer
    x = 15,880.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.