Home / 12,325.82-18,510.90-11,336.84

Finding the Fourth Proportional to 12,325.82, 18,510.90 and 11,336.84

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Solution

The fourth proportional to 12,325.82, 18,510.90 and 11,336.84 is: 17,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.82 : 18,510.90 = 11,336.84 : x
  2. Step 2: Convert to fraction form
    12,325.82/18,510.90 = 11,336.84/x
  3. Step 3: Cross multiply
    12,325.82x = 18,510.90 × 11,336.84
  4. Step 4: Simplify right side
    12,325.82x = 209,855,111.56
  5. Step 5: Solve for x
    x = 209,855,111.56/12,325.82
  6. Step 6: Final answer
    x = 17,025.65

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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.