Home / 19,462.41-29,193.62-5,421.87

Finding the Fourth Proportional to 19,462.41, 29,193.62 and 5,421.87

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Solution

The fourth proportional to 19,462.41, 29,193.62 and 5,421.87 is: 8,132.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,462.41 : 29,193.62 = 5,421.87 : x
  2. Step 2: Convert to fraction form
    19,462.41/29,193.62 = 5,421.87/x
  3. Step 3: Cross multiply
    19,462.41x = 29,193.62 × 5,421.87
  4. Step 4: Simplify right side
    19,462.41x = 158,283,985.36
  5. Step 5: Solve for x
    x = 158,283,985.36/19,462.41
  6. Step 6: Final answer
    x = 8,132.81

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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.