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Finding the Fourth Proportional to 19,198.99, 26,494.87 and 10,700.88

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Solution

The fourth proportional to 19,198.99, 26,494.87 and 10,700.88 is: 14,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.99 : 26,494.87 = 10,700.88 : x
  2. Step 2: Convert to fraction form
    19,198.99/26,494.87 = 10,700.88/x
  3. Step 3: Cross multiply
    19,198.99x = 26,494.87 × 10,700.88
  4. Step 4: Simplify right side
    19,198.99x = 283,518,292.01
  5. Step 5: Solve for x
    x = 283,518,292.01/19,198.99
  6. Step 6: Final answer
    x = 14,767.35

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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.