Home / 25,174.42-37,679.49-18,509.15

Finding the Fourth Proportional to 25,174.42, 37,679.49 and 18,509.15

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Solution

The fourth proportional to 25,174.42, 37,679.49 and 18,509.15 is: 27,703.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,174.42 : 37,679.49 = 18,509.15 : x
  2. Step 2: Convert to fraction form
    25,174.42/37,679.49 = 18,509.15/x
  3. Step 3: Cross multiply
    25,174.42x = 37,679.49 × 18,509.15
  4. Step 4: Simplify right side
    25,174.42x = 697,415,426.53
  5. Step 5: Solve for x
    x = 697,415,426.53/25,174.42
  6. Step 6: Final answer
    x = 27,703.34

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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.