Home / 20,684.23-31,027.52-5,894.30

Finding the Fourth Proportional to 20,684.23, 31,027.52 and 5,894.30

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Solution

The fourth proportional to 20,684.23, 31,027.52 and 5,894.30 is: 8,841.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,684.23 : 31,027.52 = 5,894.30 : x
  2. Step 2: Convert to fraction form
    20,684.23/31,027.52 = 5,894.30/x
  3. Step 3: Cross multiply
    20,684.23x = 31,027.52 × 5,894.30
  4. Step 4: Simplify right side
    20,684.23x = 182,885,513.13
  5. Step 5: Solve for x
    x = 182,885,513.13/20,684.23
  6. Step 6: Final answer
    x = 8,841.79

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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.