Home / 19,364.13-26,676.45-18,201.38

Finding the Fourth Proportional to 19,364.13, 26,676.45 and 18,201.38

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Solution

The fourth proportional to 19,364.13, 26,676.45 and 18,201.38 is: 25,074.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.13 : 26,676.45 = 18,201.38 : x
  2. Step 2: Convert to fraction form
    19,364.13/26,676.45 = 18,201.38/x
  3. Step 3: Cross multiply
    19,364.13x = 26,676.45 × 18,201.38
  4. Step 4: Simplify right side
    19,364.13x = 485,548,070.12
  5. Step 5: Solve for x
    x = 485,548,070.12/19,364.13
  6. Step 6: Final answer
    x = 25,074.61

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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.