Home / 12,184.69-18,183.76-10,872.37

Finding the Fourth Proportional to 12,184.69, 18,183.76 and 10,872.37

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Solution

The fourth proportional to 12,184.69, 18,183.76 and 10,872.37 is: 16,225.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.69 : 18,183.76 = 10,872.37 : x
  2. Step 2: Convert to fraction form
    12,184.69/18,183.76 = 10,872.37/x
  3. Step 3: Cross multiply
    12,184.69x = 18,183.76 × 10,872.37
  4. Step 4: Simplify right side
    12,184.69x = 197,700,566.71
  5. Step 5: Solve for x
    x = 197,700,566.71/12,184.69
  6. Step 6: Final answer
    x = 16,225.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.