Home / 25,786.35-38,643.03-10,980.36

Finding the Fourth Proportional to 25,786.35, 38,643.03 and 10,980.36

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Solution

The fourth proportional to 25,786.35, 38,643.03 and 10,980.36 is: 16,455.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,786.35 : 38,643.03 = 10,980.36 : x
  2. Step 2: Convert to fraction form
    25,786.35/38,643.03 = 10,980.36/x
  3. Step 3: Cross multiply
    25,786.35x = 38,643.03 × 10,980.36
  4. Step 4: Simplify right side
    25,786.35x = 424,314,380.89
  5. Step 5: Solve for x
    x = 424,314,380.89/25,786.35
  6. Step 6: Final answer
    x = 16,455.00

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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.