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Finding the Fourth Proportional to 19,176, 26,465.31 and 10,794.12

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Solution

The fourth proportional to 19,176, 26,465.31 and 10,794.12 is: 14,897.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176 : 26,465.31 = 10,794.12 : x
  2. Step 2: Convert to fraction form
    19,176/26,465.31 = 10,794.12/x
  3. Step 3: Cross multiply
    19,176x = 26,465.31 × 10,794.12
  4. Step 4: Simplify right side
    19,176x = 285,669,731.98
  5. Step 5: Solve for x
    x = 285,669,731.98/19,176
  6. Step 6: Final answer
    x = 14,897.25

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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.