Home / 18,664.08-25,755.48-10,278.96

Finding the Fourth Proportional to 18,664.08, 25,755.48 and 10,278.96

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Solution

The fourth proportional to 18,664.08, 25,755.48 and 10,278.96 is: 14,184.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.08 : 25,755.48 = 10,278.96 : x
  2. Step 2: Convert to fraction form
    18,664.08/25,755.48 = 10,278.96/x
  3. Step 3: Cross multiply
    18,664.08x = 25,755.48 × 10,278.96
  4. Step 4: Simplify right side
    18,664.08x = 264,739,548.70
  5. Step 5: Solve for x
    x = 264,739,548.70/18,664.08
  6. Step 6: Final answer
    x = 14,184.44

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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.