Home / 14,145.33-21,185.70-6,755.00

Finding the Fourth Proportional to 14,145.33, 21,185.70 and 6,755.00

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Solution

The fourth proportional to 14,145.33, 21,185.70 and 6,755.00 is: 10,117.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.33 : 21,185.70 = 6,755.00 : x
  2. Step 2: Convert to fraction form
    14,145.33/21,185.70 = 6,755.00/x
  3. Step 3: Cross multiply
    14,145.33x = 21,185.70 × 6,755.00
  4. Step 4: Simplify right side
    14,145.33x = 143,109,297.57
  5. Step 5: Solve for x
    x = 143,109,297.57/14,145.33
  6. Step 6: Final answer
    x = 10,117.07

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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.