Home / 25,140.24-37,720.08-11,286

Finding the Fourth Proportional to 25,140.24, 37,720.08 and 11,286

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Solution

The fourth proportional to 25,140.24, 37,720.08 and 11,286 is: 16,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140.24 : 37,720.08 = 11,286 : x
  2. Step 2: Convert to fraction form
    25,140.24/37,720.08 = 11,286/x
  3. Step 3: Cross multiply
    25,140.24x = 37,720.08 × 11,286
  4. Step 4: Simplify right side
    25,140.24x = 425,708,822.88
  5. Step 5: Solve for x
    x = 425,708,822.88/25,140.24
  6. Step 6: Final answer
    x = 16,933.36

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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.