Home / 19,829.09-29,742.17-7,343.30

Finding the Fourth Proportional to 19,829.09, 29,742.17 and 7,343.30

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Solution

The fourth proportional to 19,829.09, 29,742.17 and 7,343.30 is: 11,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.09 : 29,742.17 = 7,343.30 : x
  2. Step 2: Convert to fraction form
    19,829.09/29,742.17 = 7,343.30/x
  3. Step 3: Cross multiply
    19,829.09x = 29,742.17 × 7,343.30
  4. Step 4: Simplify right side
    19,829.09x = 218,405,491.53
  5. Step 5: Solve for x
    x = 218,405,491.53/19,829.09
  6. Step 6: Final answer
    x = 11,014.40

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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.