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Finding the Fourth Proportional to 14,879.62, 22,266.11 and 12,885.18

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Solution

The fourth proportional to 14,879.62, 22,266.11 and 12,885.18 is: 19,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,879.62 : 22,266.11 = 12,885.18 : x
  2. Step 2: Convert to fraction form
    14,879.62/22,266.11 = 12,885.18/x
  3. Step 3: Cross multiply
    14,879.62x = 22,266.11 × 12,885.18
  4. Step 4: Simplify right side
    14,879.62x = 286,902,835.25
  5. Step 5: Solve for x
    x = 286,902,835.25/14,879.62
  6. Step 6: Final answer
    x = 19,281.60

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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.