Home / 30,214.88-41,696.96-16,786.40

Finding the Fourth Proportional to 30,214.88, 41,696.96 and 16,786.40

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Solution

The fourth proportional to 30,214.88, 41,696.96 and 16,786.40 is: 23,165.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,214.88 : 41,696.96 = 16,786.40 : x
  2. Step 2: Convert to fraction form
    30,214.88/41,696.96 = 16,786.40/x
  3. Step 3: Cross multiply
    30,214.88x = 41,696.96 × 16,786.40
  4. Step 4: Simplify right side
    30,214.88x = 699,941,849.34
  5. Step 5: Solve for x
    x = 699,941,849.34/30,214.88
  6. Step 6: Final answer
    x = 23,165.47

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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.