Home / 25,374.96-38,039.76-19,797.84

Finding the Fourth Proportional to 25,374.96, 38,039.76 and 19,797.84

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Solution

The fourth proportional to 25,374.96, 38,039.76 and 19,797.84 is: 29,679.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,374.96 : 38,039.76 = 19,797.84 : x
  2. Step 2: Convert to fraction form
    25,374.96/38,039.76 = 19,797.84/x
  3. Step 3: Cross multiply
    25,374.96x = 38,039.76 × 19,797.84
  4. Step 4: Simplify right side
    25,374.96x = 753,105,082.12
  5. Step 5: Solve for x
    x = 753,105,082.12/25,374.96
  6. Step 6: Final answer
    x = 29,679.06

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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.