Home / 19,286.87-28,883.12-17,416.98

Finding the Fourth Proportional to 19,286.87, 28,883.12 and 17,416.98

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Solution

The fourth proportional to 19,286.87, 28,883.12 and 17,416.98 is: 26,082.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.87 : 28,883.12 = 17,416.98 : x
  2. Step 2: Convert to fraction form
    19,286.87/28,883.12 = 17,416.98/x
  3. Step 3: Cross multiply
    19,286.87x = 28,883.12 × 17,416.98
  4. Step 4: Simplify right side
    19,286.87x = 503,056,636.29
  5. Step 5: Solve for x
    x = 503,056,636.29/19,286.87
  6. Step 6: Final answer
    x = 26,082.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.