Home / 19,035.10-28,558.58-9,172.64

Finding the Fourth Proportional to 19,035.10, 28,558.58 and 9,172.64

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Solution

The fourth proportional to 19,035.10, 28,558.58 and 9,172.64 is: 13,761.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,035.10 : 28,558.58 = 9,172.64 : x
  2. Step 2: Convert to fraction form
    19,035.10/28,558.58 = 9,172.64/x
  3. Step 3: Cross multiply
    19,035.10x = 28,558.58 × 9,172.64
  4. Step 4: Simplify right side
    19,035.10x = 261,957,598.78
  5. Step 5: Solve for x
    x = 261,957,598.78/19,035.10
  6. Step 6: Final answer
    x = 13,761.82

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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.