Home / 19,435.79-29,157.94-6,287.98

Finding the Fourth Proportional to 19,435.79, 29,157.94 and 6,287.98

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Solution

The fourth proportional to 19,435.79, 29,157.94 and 6,287.98 is: 9,433.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,435.79 : 29,157.94 = 6,287.98 : x
  2. Step 2: Convert to fraction form
    19,435.79/29,157.94 = 6,287.98/x
  3. Step 3: Cross multiply
    19,435.79x = 29,157.94 × 6,287.98
  4. Step 4: Simplify right side
    19,435.79x = 183,344,543.56
  5. Step 5: Solve for x
    x = 183,344,543.56/19,435.79
  6. Step 6: Final answer
    x = 9,433.35

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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.