Home / 25,977.51-38,895.89-13,471.31

Finding the Fourth Proportional to 25,977.51, 38,895.89 and 13,471.31

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Solution

The fourth proportional to 25,977.51, 38,895.89 and 13,471.31 is: 20,170.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,977.51 : 38,895.89 = 13,471.31 : x
  2. Step 2: Convert to fraction form
    25,977.51/38,895.89 = 13,471.31/x
  3. Step 3: Cross multiply
    25,977.51x = 38,895.89 × 13,471.31
  4. Step 4: Simplify right side
    25,977.51x = 523,978,621.80
  5. Step 5: Solve for x
    x = 523,978,621.80/25,977.51
  6. Step 6: Final answer
    x = 20,170.47

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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.