Home / 19,598.08-29,390.82-6,447.40

Finding the Fourth Proportional to 19,598.08, 29,390.82 and 6,447.40

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Solution

The fourth proportional to 19,598.08, 29,390.82 and 6,447.40 is: 9,669.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,598.08 : 29,390.82 = 6,447.40 : x
  2. Step 2: Convert to fraction form
    19,598.08/29,390.82 = 6,447.40/x
  3. Step 3: Cross multiply
    19,598.08x = 29,390.82 × 6,447.40
  4. Step 4: Simplify right side
    19,598.08x = 189,494,372.87
  5. Step 5: Solve for x
    x = 189,494,372.87/19,598.08
  6. Step 6: Final answer
    x = 9,669.03

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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.