Home / 19,710.46-29,565.76-4,919.37

Finding the Fourth Proportional to 19,710.46, 29,565.76 and 4,919.37

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Solution

The fourth proportional to 19,710.46, 29,565.76 and 4,919.37 is: 7,379.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.46 : 29,565.76 = 4,919.37 : x
  2. Step 2: Convert to fraction form
    19,710.46/29,565.76 = 4,919.37/x
  3. Step 3: Cross multiply
    19,710.46x = 29,565.76 × 4,919.37
  4. Step 4: Simplify right side
    19,710.46x = 145,444,912.77
  5. Step 5: Solve for x
    x = 145,444,912.77/19,710.46
  6. Step 6: Final answer
    x = 7,379.07

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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.