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Finding the Fourth Proportional to 14,460.18, 19,961.54 and 8,492.21

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Solution

The fourth proportional to 14,460.18, 19,961.54 and 8,492.21 is: 11,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,460.18 : 19,961.54 = 8,492.21 : x
  2. Step 2: Convert to fraction form
    14,460.18/19,961.54 = 8,492.21/x
  3. Step 3: Cross multiply
    14,460.18x = 19,961.54 × 8,492.21
  4. Step 4: Simplify right side
    14,460.18x = 169,517,447.33
  5. Step 5: Solve for x
    x = 169,517,447.33/14,460.18
  6. Step 6: Final answer
    x = 11,723.05

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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.