Home / 19,734.79-29,606.07-6,405.29

Finding the Fourth Proportional to 19,734.79, 29,606.07 and 6,405.29

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Solution

The fourth proportional to 19,734.79, 29,606.07 and 6,405.29 is: 9,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,734.79 : 29,606.07 = 6,405.29 : x
  2. Step 2: Convert to fraction form
    19,734.79/29,606.07 = 6,405.29/x
  3. Step 3: Cross multiply
    19,734.79x = 29,606.07 × 6,405.29
  4. Step 4: Simplify right side
    19,734.79x = 189,635,538.13
  5. Step 5: Solve for x
    x = 189,635,538.13/19,734.79
  6. Step 6: Final answer
    x = 9,609.20

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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.