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Finding the Fourth Proportional to 14,460.88, 19,954.92 and 8,173.84

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Solution

The fourth proportional to 14,460.88, 19,954.92 and 8,173.84 is: 11,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,460.88 : 19,954.92 = 8,173.84 : x
  2. Step 2: Convert to fraction form
    14,460.88/19,954.92 = 8,173.84/x
  3. Step 3: Cross multiply
    14,460.88x = 19,954.92 × 8,173.84
  4. Step 4: Simplify right side
    14,460.88x = 163,108,323.29
  5. Step 5: Solve for x
    x = 163,108,323.29/14,460.88
  6. Step 6: Final answer
    x = 11,279.28

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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.