Home / 19,372.42-29,037.54-8,135.02

Finding the Fourth Proportional to 19,372.42, 29,037.54 and 8,135.02

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Solution

The fourth proportional to 19,372.42, 29,037.54 and 8,135.02 is: 12,193.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.42 : 29,037.54 = 8,135.02 : x
  2. Step 2: Convert to fraction form
    19,372.42/29,037.54 = 8,135.02/x
  3. Step 3: Cross multiply
    19,372.42x = 29,037.54 × 8,135.02
  4. Step 4: Simplify right side
    19,372.42x = 236,220,968.65
  5. Step 5: Solve for x
    x = 236,220,968.65/19,372.42
  6. Step 6: Final answer
    x = 12,193.67

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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.