Home / 25,693.20-38,579.40-14,029.20

Finding the Fourth Proportional to 25,693.20, 38,579.40 and 14,029.20

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Solution

The fourth proportional to 25,693.20, 38,579.40 and 14,029.20 is: 21,065.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,693.20 : 38,579.40 = 14,029.20 : x
  2. Step 2: Convert to fraction form
    25,693.20/38,579.40 = 14,029.20/x
  3. Step 3: Cross multiply
    25,693.20x = 38,579.40 × 14,029.20
  4. Step 4: Simplify right side
    25,693.20x = 541,238,118.48
  5. Step 5: Solve for x
    x = 541,238,118.48/25,693.20
  6. Step 6: Final answer
    x = 21,065.42

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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.