Home / 14,050.76-19,390.44-7,763.54

Finding the Fourth Proportional to 14,050.76, 19,390.44 and 7,763.54

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Solution

The fourth proportional to 14,050.76, 19,390.44 and 7,763.54 is: 10,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,050.76 : 19,390.44 = 7,763.54 : x
  2. Step 2: Convert to fraction form
    14,050.76/19,390.44 = 7,763.54/x
  3. Step 3: Cross multiply
    14,050.76x = 19,390.44 × 7,763.54
  4. Step 4: Simplify right side
    14,050.76x = 150,538,456.56
  5. Step 5: Solve for x
    x = 150,538,456.56/14,050.76
  6. Step 6: Final answer
    x = 10,713.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.