Home / 19,390.08-29,089.68-6,241.96

Finding the Fourth Proportional to 19,390.08, 29,089.68 and 6,241.96

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Solution

The fourth proportional to 19,390.08, 29,089.68 and 6,241.96 is: 9,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.08 : 29,089.68 = 6,241.96 : x
  2. Step 2: Convert to fraction form
    19,390.08/29,089.68 = 6,241.96/x
  3. Step 3: Cross multiply
    19,390.08x = 29,089.68 × 6,241.96
  4. Step 4: Simplify right side
    19,390.08x = 181,576,442.31
  5. Step 5: Solve for x
    x = 181,576,442.31/19,390.08
  6. Step 6: Final answer
    x = 9,364.40

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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.