Home / 25,322.40-37,987.92-8,684.04

Finding the Fourth Proportional to 25,322.40, 37,987.92 and 8,684.04

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Solution

The fourth proportional to 25,322.40, 37,987.92 and 8,684.04 is: 13,027.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,322.40 : 37,987.92 = 8,684.04 : x
  2. Step 2: Convert to fraction form
    25,322.40/37,987.92 = 8,684.04/x
  3. Step 3: Cross multiply
    25,322.40x = 37,987.92 × 8,684.04
  4. Step 4: Simplify right side
    25,322.40x = 329,888,616.80
  5. Step 5: Solve for x
    x = 329,888,616.80/25,322.40
  6. Step 6: Final answer
    x = 13,027.54

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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.