Home / 25,361.64-38,024.10-7,821.36

Finding the Fourth Proportional to 25,361.64, 38,024.10 and 7,821.36

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Solution

The fourth proportional to 25,361.64, 38,024.10 and 7,821.36 is: 11,726.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,361.64 : 38,024.10 = 7,821.36 : x
  2. Step 2: Convert to fraction form
    25,361.64/38,024.10 = 7,821.36/x
  3. Step 3: Cross multiply
    25,361.64x = 38,024.10 × 7,821.36
  4. Step 4: Simplify right side
    25,361.64x = 297,400,174.78
  5. Step 5: Solve for x
    x = 297,400,174.78/25,361.64
  6. Step 6: Final answer
    x = 11,726.38

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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.