Home / 19,584.40-29,381.46-9,184

Finding the Fourth Proportional to 19,584.40, 29,381.46 and 9,184

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Solution

The fourth proportional to 19,584.40, 29,381.46 and 9,184 is: 13,778.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,584.40 : 29,381.46 = 9,184 : x
  2. Step 2: Convert to fraction form
    19,584.40/29,381.46 = 9,184/x
  3. Step 3: Cross multiply
    19,584.40x = 29,381.46 × 9,184
  4. Step 4: Simplify right side
    19,584.40x = 269,839,328.64
  5. Step 5: Solve for x
    x = 269,839,328.64/19,584.40
  6. Step 6: Final answer
    x = 13,778.28

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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.