Home / 12,015.59-18,025.10-3,696.30

Finding the Fourth Proportional to 12,015.59, 18,025.10 and 3,696.30

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Solution

The fourth proportional to 12,015.59, 18,025.10 and 3,696.30 is: 5,544.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.59 : 18,025.10 = 3,696.30 : x
  2. Step 2: Convert to fraction form
    12,015.59/18,025.10 = 3,696.30/x
  3. Step 3: Cross multiply
    12,015.59x = 18,025.10 × 3,696.30
  4. Step 4: Simplify right side
    12,015.59x = 66,626,177.13
  5. Step 5: Solve for x
    x = 66,626,177.13/12,015.59
  6. Step 6: Final answer
    x = 5,544.98

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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.