Home / 30,214.10-41,695.43-16,786.60

Finding the Fourth Proportional to 30,214.10, 41,695.43 and 16,786.60

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Solution

The fourth proportional to 30,214.10, 41,695.43 and 16,786.60 is: 23,165.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,214.10 : 41,695.43 = 16,786.60 : x
  2. Step 2: Convert to fraction form
    30,214.10/41,695.43 = 16,786.60/x
  3. Step 3: Cross multiply
    30,214.10x = 41,695.43 × 16,786.60
  4. Step 4: Simplify right side
    30,214.10x = 699,924,317.07
  5. Step 5: Solve for x
    x = 699,924,317.07/30,214.10
  6. Step 6: Final answer
    x = 23,165.48

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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.