Home / 13,082.77-19,621.41-4,315.63

Finding the Fourth Proportional to 13,082.77, 19,621.41 and 4,315.63

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Solution

The fourth proportional to 13,082.77, 19,621.41 and 4,315.63 is: 6,472.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.77 : 19,621.41 = 4,315.63 : x
  2. Step 2: Convert to fraction form
    13,082.77/19,621.41 = 4,315.63/x
  3. Step 3: Cross multiply
    13,082.77x = 19,621.41 × 4,315.63
  4. Step 4: Simplify right side
    13,082.77x = 84,678,704.93
  5. Step 5: Solve for x
    x = 84,678,704.93/13,082.77
  6. Step 6: Final answer
    x = 6,472.54

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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.