Home / 19,018.20-26,245.20-10,634.68

Finding the Fourth Proportional to 19,018.20, 26,245.20 and 10,634.68

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Solution

The fourth proportional to 19,018.20, 26,245.20 and 10,634.68 is: 14,675.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.20 : 26,245.20 = 10,634.68 : x
  2. Step 2: Convert to fraction form
    19,018.20/26,245.20 = 10,634.68/x
  3. Step 3: Cross multiply
    19,018.20x = 26,245.20 × 10,634.68
  4. Step 4: Simplify right side
    19,018.20x = 279,109,303.54
  5. Step 5: Solve for x
    x = 279,109,303.54/19,018.20
  6. Step 6: Final answer
    x = 14,675.91

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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.