Home / 13,145.46-19,718.07-3,284.67

Finding the Fourth Proportional to 13,145.46, 19,718.07 and 3,284.67

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Solution

The fourth proportional to 13,145.46, 19,718.07 and 3,284.67 is: 4,926.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145.46 : 19,718.07 = 3,284.67 : x
  2. Step 2: Convert to fraction form
    13,145.46/19,718.07 = 3,284.67/x
  3. Step 3: Cross multiply
    13,145.46x = 19,718.07 × 3,284.67
  4. Step 4: Simplify right side
    13,145.46x = 64,767,352.99
  5. Step 5: Solve for x
    x = 64,767,352.99/13,145.46
  6. Step 6: Final answer
    x = 4,926.98

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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.