Home / 20,684.92-31,032.24-5,894.06

Finding the Fourth Proportional to 20,684.92, 31,032.24 and 5,894.06

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Solution

The fourth proportional to 20,684.92, 31,032.24 and 5,894.06 is: 8,842.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,684.92 : 31,032.24 = 5,894.06 : x
  2. Step 2: Convert to fraction form
    20,684.92/31,032.24 = 5,894.06/x
  3. Step 3: Cross multiply
    20,684.92x = 31,032.24 × 5,894.06
  4. Step 4: Simplify right side
    20,684.92x = 182,905,884.49
  5. Step 5: Solve for x
    x = 182,905,884.49/20,684.92
  6. Step 6: Final answer
    x = 8,842.47

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1.5x scale

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.