Home / 25,755.30-38,606.31-14,638.05

Finding the Fourth Proportional to 25,755.30, 38,606.31 and 14,638.05

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Solution

The fourth proportional to 25,755.30, 38,606.31 and 14,638.05 is: 21,941.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,755.30 : 38,606.31 = 14,638.05 : x
  2. Step 2: Convert to fraction form
    25,755.30/38,606.31 = 14,638.05/x
  3. Step 3: Cross multiply
    25,755.30x = 38,606.31 × 14,638.05
  4. Step 4: Simplify right side
    25,755.30x = 565,121,096.10
  5. Step 5: Solve for x
    x = 565,121,096.10/25,755.30
  6. Step 6: Final answer
    x = 21,941.93

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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.