Home / 14,168.49-21,252.78-6,771.27

Finding the Fourth Proportional to 14,168.49, 21,252.78 and 6,771.27

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Solution

The fourth proportional to 14,168.49, 21,252.78 and 6,771.27 is: 10,156.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.49 : 21,252.78 = 6,771.27 : x
  2. Step 2: Convert to fraction form
    14,168.49/21,252.78 = 6,771.27/x
  3. Step 3: Cross multiply
    14,168.49x = 21,252.78 × 6,771.27
  4. Step 4: Simplify right side
    14,168.49x = 143,908,277.77
  5. Step 5: Solve for x
    x = 143,908,277.77/14,168.49
  6. Step 6: Final answer
    x = 10,156.92

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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.