Home / 19,129.32-26,383.86-13,841.64

Finding the Fourth Proportional to 19,129.32, 26,383.86 and 13,841.64

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Solution

The fourth proportional to 19,129.32, 26,383.86 and 13,841.64 is: 19,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.32 : 26,383.86 = 13,841.64 : x
  2. Step 2: Convert to fraction form
    19,129.32/26,383.86 = 13,841.64/x
  3. Step 3: Cross multiply
    19,129.32x = 26,383.86 × 13,841.64
  4. Step 4: Simplify right side
    19,129.32x = 365,195,891.93
  5. Step 5: Solve for x
    x = 365,195,891.93/19,129.32
  6. Step 6: Final answer
    x = 19,090.90

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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.