Home / 13,944.30-19,242.27-12,829.74

Finding the Fourth Proportional to 13,944.30, 19,242.27 and 12,829.74

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Solution

The fourth proportional to 13,944.30, 19,242.27 and 12,829.74 is: 17,704.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.30 : 19,242.27 = 12,829.74 : x
  2. Step 2: Convert to fraction form
    13,944.30/19,242.27 = 12,829.74/x
  3. Step 3: Cross multiply
    13,944.30x = 19,242.27 × 12,829.74
  4. Step 4: Simplify right side
    13,944.30x = 246,873,321.11
  5. Step 5: Solve for x
    x = 246,873,321.11/13,944.30
  6. Step 6: Final answer
    x = 17,704.25

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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.