Home / 19,865.58-29,798.37-5,074.53

Finding the Fourth Proportional to 19,865.58, 29,798.37 and 5,074.53

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Solution

The fourth proportional to 19,865.58, 29,798.37 and 5,074.53 is: 7,611.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,865.58 : 29,798.37 = 5,074.53 : x
  2. Step 2: Convert to fraction form
    19,865.58/29,798.37 = 5,074.53/x
  3. Step 3: Cross multiply
    19,865.58x = 29,798.37 × 5,074.53
  4. Step 4: Simplify right side
    19,865.58x = 151,212,722.52
  5. Step 5: Solve for x
    x = 151,212,722.52/19,865.58
  6. Step 6: Final answer
    x = 7,611.80

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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.