Home / 21,584.75-29,776.43-13,925.94

Finding the Fourth Proportional to 21,584.75, 29,776.43 and 13,925.94

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Solution

The fourth proportional to 21,584.75, 29,776.43 and 13,925.94 is: 19,211.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584.75 : 29,776.43 = 13,925.94 : x
  2. Step 2: Convert to fraction form
    21,584.75/29,776.43 = 13,925.94/x
  3. Step 3: Cross multiply
    21,584.75x = 29,776.43 × 13,925.94
  4. Step 4: Simplify right side
    21,584.75x = 414,664,690.62
  5. Step 5: Solve for x
    x = 414,664,690.62/21,584.75
  6. Step 6: Final answer
    x = 19,211.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.