Home / 14,084.80-21,126.12-3,696.28

Finding the Fourth Proportional to 14,084.80, 21,126.12 and 3,696.28

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Solution

The fourth proportional to 14,084.80, 21,126.12 and 3,696.28 is: 5,544.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.80 : 21,126.12 = 3,696.28 : x
  2. Step 2: Convert to fraction form
    14,084.80/21,126.12 = 3,696.28/x
  3. Step 3: Cross multiply
    14,084.80x = 21,126.12 × 3,696.28
  4. Step 4: Simplify right side
    14,084.80x = 78,088,054.83
  5. Step 5: Solve for x
    x = 78,088,054.83/14,084.80
  6. Step 6: Final answer
    x = 5,544.14

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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.