Home / 30,186.72-41,662.66-16,762.28

Finding the Fourth Proportional to 30,186.72, 41,662.66 and 16,762.28

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Solution

The fourth proportional to 30,186.72, 41,662.66 and 16,762.28 is: 23,134.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,186.72 : 41,662.66 = 16,762.28 : x
  2. Step 2: Convert to fraction form
    30,186.72/41,662.66 = 16,762.28/x
  3. Step 3: Cross multiply
    30,186.72x = 41,662.66 × 16,762.28
  4. Step 4: Simplify right side
    30,186.72x = 698,361,172.46
  5. Step 5: Solve for x
    x = 698,361,172.46/30,186.72
  6. Step 6: Final answer
    x = 23,134.72

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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.