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Finding the Fourth Proportional to 14,672.32, 20,251.95 and 12,026.05

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Solution

The fourth proportional to 14,672.32, 20,251.95 and 12,026.05 is: 16,599.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.32 : 20,251.95 = 12,026.05 : x
  2. Step 2: Convert to fraction form
    14,672.32/20,251.95 = 12,026.05/x
  3. Step 3: Cross multiply
    14,672.32x = 20,251.95 × 12,026.05
  4. Step 4: Simplify right side
    14,672.32x = 243,550,862.04
  5. Step 5: Solve for x
    x = 243,550,862.04/14,672.32
  6. Step 6: Final answer
    x = 16,599.35

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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.