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Finding the Fourth Proportional to 14,671.89, 22,038.26 and 11,863.89

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Solution

The fourth proportional to 14,671.89, 22,038.26 and 11,863.89 is: 17,820.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671.89 : 22,038.26 = 11,863.89 : x
  2. Step 2: Convert to fraction form
    14,671.89/22,038.26 = 11,863.89/x
  3. Step 3: Cross multiply
    14,671.89x = 22,038.26 × 11,863.89
  4. Step 4: Simplify right side
    14,671.89x = 261,459,492.43
  5. Step 5: Solve for x
    x = 261,459,492.43/14,671.89
  6. Step 6: Final answer
    x = 17,820.44

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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.