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Finding the Fourth Proportional to 11,888.95, 16,414.77 and 10,625.95

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Solution

The fourth proportional to 11,888.95, 16,414.77 and 10,625.95 is: 14,670.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.95 : 16,414.77 = 10,625.95 : x
  2. Step 2: Convert to fraction form
    11,888.95/16,414.77 = 10,625.95/x
  3. Step 3: Cross multiply
    11,888.95x = 16,414.77 × 10,625.95
  4. Step 4: Simplify right side
    11,888.95x = 174,422,525.28
  5. Step 5: Solve for x
    x = 174,422,525.28/11,888.95
  6. Step 6: Final answer
    x = 14,670.98

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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.