Home / 12,214.85-16,845.37-10,330.39

Finding the Fourth Proportional to 12,214.85, 16,845.37 and 10,330.39

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Solution

The fourth proportional to 12,214.85, 16,845.37 and 10,330.39 is: 14,246.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.85 : 16,845.37 = 10,330.39 : x
  2. Step 2: Convert to fraction form
    12,214.85/16,845.37 = 10,330.39/x
  3. Step 3: Cross multiply
    12,214.85x = 16,845.37 × 10,330.39
  4. Step 4: Simplify right side
    12,214.85x = 174,019,142.27
  5. Step 5: Solve for x
    x = 174,019,142.27/12,214.85
  6. Step 6: Final answer
    x = 14,246.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.