Home / 19,739.60-29,611.38-5,699.98

Finding the Fourth Proportional to 19,739.60, 29,611.38 and 5,699.98

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Solution

The fourth proportional to 19,739.60, 29,611.38 and 5,699.98 is: 8,550.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.60 : 29,611.38 = 5,699.98 : x
  2. Step 2: Convert to fraction form
    19,739.60/29,611.38 = 5,699.98/x
  3. Step 3: Cross multiply
    19,739.60x = 29,611.38 × 5,699.98
  4. Step 4: Simplify right side
    19,739.60x = 168,784,273.77
  5. Step 5: Solve for x
    x = 168,784,273.77/19,739.60
  6. Step 6: Final answer
    x = 8,550.54

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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.