Home / 13,701.96-18,887.58-11,179.62

Finding the Fourth Proportional to 13,701.96, 18,887.58 and 11,179.62

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Solution

The fourth proportional to 13,701.96, 18,887.58 and 11,179.62 is: 15,410.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.96 : 18,887.58 = 11,179.62 : x
  2. Step 2: Convert to fraction form
    13,701.96/18,887.58 = 11,179.62/x
  3. Step 3: Cross multiply
    13,701.96x = 18,887.58 × 11,179.62
  4. Step 4: Simplify right side
    13,701.96x = 211,155,967.12
  5. Step 5: Solve for x
    x = 211,155,967.12/13,701.96
  6. Step 6: Final answer
    x = 15,410.64

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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.