Home / 13,277.84-19,916.76-4,519.04

Finding the Fourth Proportional to 13,277.84, 19,916.76 and 4,519.04

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Solution

The fourth proportional to 13,277.84, 19,916.76 and 4,519.04 is: 6,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.84 : 19,916.76 = 4,519.04 : x
  2. Step 2: Convert to fraction form
    13,277.84/19,916.76 = 4,519.04/x
  3. Step 3: Cross multiply
    13,277.84x = 19,916.76 × 4,519.04
  4. Step 4: Simplify right side
    13,277.84x = 90,004,635.11
  5. Step 5: Solve for x
    x = 90,004,635.11/13,277.84
  6. Step 6: Final answer
    x = 6,778.56

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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.