Home / 14,623.10-20,181.60-8,654.75

Finding the Fourth Proportional to 14,623.10, 20,181.60 and 8,654.75

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Solution

The fourth proportional to 14,623.10, 20,181.60 and 8,654.75 is: 11,944.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,623.10 : 20,181.60 = 8,654.75 : x
  2. Step 2: Convert to fraction form
    14,623.10/20,181.60 = 8,654.75/x
  3. Step 3: Cross multiply
    14,623.10x = 20,181.60 × 8,654.75
  4. Step 4: Simplify right side
    14,623.10x = 174,666,702.60
  5. Step 5: Solve for x
    x = 174,666,702.60/14,623.10
  6. Step 6: Final answer
    x = 11,944.57

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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.