Home / 13,177.46-19,763.33-4,172.28

Finding the Fourth Proportional to 13,177.46, 19,763.33 and 4,172.28

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Solution

The fourth proportional to 13,177.46, 19,763.33 and 4,172.28 is: 6,257.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.46 : 19,763.33 = 4,172.28 : x
  2. Step 2: Convert to fraction form
    13,177.46/19,763.33 = 4,172.28/x
  3. Step 3: Cross multiply
    13,177.46x = 19,763.33 × 4,172.28
  4. Step 4: Simplify right side
    13,177.46x = 82,458,141.28
  5. Step 5: Solve for x
    x = 82,458,141.28/13,177.46
  6. Step 6: Final answer
    x = 6,257.52

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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.