Home / 19,455.75-29,178.31-6,973.45

Finding the Fourth Proportional to 19,455.75, 29,178.31 and 6,973.45

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Solution

The fourth proportional to 19,455.75, 29,178.31 and 6,973.45 is: 10,458.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.75 : 29,178.31 = 6,973.45 : x
  2. Step 2: Convert to fraction form
    19,455.75/29,178.31 = 6,973.45/x
  3. Step 3: Cross multiply
    19,455.75x = 29,178.31 × 6,973.45
  4. Step 4: Simplify right side
    19,455.75x = 203,473,408.57
  5. Step 5: Solve for x
    x = 203,473,408.57/19,455.75
  6. Step 6: Final answer
    x = 10,458.27

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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.