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Finding the Fourth Proportional to 12,963, 19,460.84 and 11,027.51

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Solution

The fourth proportional to 12,963, 19,460.84 and 11,027.51 is: 16,555.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963 : 19,460.84 = 11,027.51 : x
  2. Step 2: Convert to fraction form
    12,963/19,460.84 = 11,027.51/x
  3. Step 3: Cross multiply
    12,963x = 19,460.84 × 11,027.51
  4. Step 4: Simplify right side
    12,963x = 214,604,455.27
  5. Step 5: Solve for x
    x = 214,604,455.27/12,963
  6. Step 6: Final answer
    x = 16,555.15

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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.