Home / 12,025.70-18,039.09-4,627.52

Finding the Fourth Proportional to 12,025.70, 18,039.09 and 4,627.52

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Solution

The fourth proportional to 12,025.70, 18,039.09 and 4,627.52 is: 6,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.70 : 18,039.09 = 4,627.52 : x
  2. Step 2: Convert to fraction form
    12,025.70/18,039.09 = 4,627.52/x
  3. Step 3: Cross multiply
    12,025.70x = 18,039.09 × 4,627.52
  4. Step 4: Simplify right side
    12,025.70x = 83,476,249.76
  5. Step 5: Solve for x
    x = 83,476,249.76/12,025.70
  6. Step 6: Final answer
    x = 6,941.49

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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.