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Finding the Fourth Proportional to 14,858.48, 20,504.16 and 8,889.80

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Solution

The fourth proportional to 14,858.48, 20,504.16 and 8,889.80 is: 12,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,858.48 : 20,504.16 = 8,889.80 : x
  2. Step 2: Convert to fraction form
    14,858.48/20,504.16 = 8,889.80/x
  3. Step 3: Cross multiply
    14,858.48x = 20,504.16 × 8,889.80
  4. Step 4: Simplify right side
    14,858.48x = 182,277,779.05
  5. Step 5: Solve for x
    x = 182,277,779.05/14,858.48
  6. Step 6: Final answer
    x = 12,267.59

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Double scale
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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.