Home / 19,685.09-29,531.43-6,361.67

Finding the Fourth Proportional to 19,685.09, 29,531.43 and 6,361.67

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Solution

The fourth proportional to 19,685.09, 29,531.43 and 6,361.67 is: 9,543.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.09 : 29,531.43 = 6,361.67 : x
  2. Step 2: Convert to fraction form
    19,685.09/29,531.43 = 6,361.67/x
  3. Step 3: Cross multiply
    19,685.09x = 29,531.43 × 6,361.67
  4. Step 4: Simplify right side
    19,685.09x = 187,869,064.63
  5. Step 5: Solve for x
    x = 187,869,064.63/19,685.09
  6. Step 6: Final answer
    x = 9,543.73

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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.