Home / 19,018.12-26,245.17-10,519.79

Finding the Fourth Proportional to 19,018.12, 26,245.17 and 10,519.79

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Solution

The fourth proportional to 19,018.12, 26,245.17 and 10,519.79 is: 14,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.12 : 26,245.17 = 10,519.79 : x
  2. Step 2: Convert to fraction form
    19,018.12/26,245.17 = 10,519.79/x
  3. Step 3: Cross multiply
    19,018.12x = 26,245.17 × 10,519.79
  4. Step 4: Simplify right side
    19,018.12x = 276,093,676.91
  5. Step 5: Solve for x
    x = 276,093,676.91/19,018.12
  6. Step 6: Final answer
    x = 14,517.40

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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.