Home / 14,100.84-21,149.58-3,713.40

Finding the Fourth Proportional to 14,100.84, 21,149.58 and 3,713.40

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Solution

The fourth proportional to 14,100.84, 21,149.58 and 3,713.40 is: 5,569.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.84 : 21,149.58 = 3,713.40 : x
  2. Step 2: Convert to fraction form
    14,100.84/21,149.58 = 3,713.40/x
  3. Step 3: Cross multiply
    14,100.84x = 21,149.58 × 3,713.40
  4. Step 4: Simplify right side
    14,100.84x = 78,536,850.37
  5. Step 5: Solve for x
    x = 78,536,850.37/14,100.84
  6. Step 6: Final answer
    x = 5,569.66

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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.