Home / 14,103.84-21,156.06-4,744.14

Finding the Fourth Proportional to 14,103.84, 21,156.06 and 4,744.14

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Solution

The fourth proportional to 14,103.84, 21,156.06 and 4,744.14 is: 7,116.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.84 : 21,156.06 = 4,744.14 : x
  2. Step 2: Convert to fraction form
    14,103.84/21,156.06 = 4,744.14/x
  3. Step 3: Cross multiply
    14,103.84x = 21,156.06 × 4,744.14
  4. Step 4: Simplify right side
    14,103.84x = 100,367,310.49
  5. Step 5: Solve for x
    x = 100,367,310.49/14,103.84
  6. Step 6: Final answer
    x = 7,116.31

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1.5x scale

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.