Home / 19,306.84-28,974.82-14,126.08

Finding the Fourth Proportional to 19,306.84, 28,974.82 and 14,126.08

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Solution

The fourth proportional to 19,306.84, 28,974.82 and 14,126.08 is: 21,199.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306.84 : 28,974.82 = 14,126.08 : x
  2. Step 2: Convert to fraction form
    19,306.84/28,974.82 = 14,126.08/x
  3. Step 3: Cross multiply
    19,306.84x = 28,974.82 × 14,126.08
  4. Step 4: Simplify right side
    19,306.84x = 409,300,625.31
  5. Step 5: Solve for x
    x = 409,300,625.31/19,306.84
  6. Step 6: Final answer
    x = 21,199.77

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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.