Home / 14,110.20-21,214.10-13,196.60

Finding the Fourth Proportional to 14,110.20, 21,214.10 and 13,196.60

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Solution

The fourth proportional to 14,110.20, 21,214.10 and 13,196.60 is: 19,840.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.20 : 21,214.10 = 13,196.60 : x
  2. Step 2: Convert to fraction form
    14,110.20/21,214.10 = 13,196.60/x
  3. Step 3: Cross multiply
    14,110.20x = 21,214.10 × 13,196.60
  4. Step 4: Simplify right side
    14,110.20x = 279,953,992.06
  5. Step 5: Solve for x
    x = 279,953,992.06/14,110.20
  6. Step 6: Final answer
    x = 19,840.54

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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.