Home / 25,745.08-35,513.22-15,132.64

Finding the Fourth Proportional to 25,745.08, 35,513.22 and 15,132.64

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Solution

The fourth proportional to 25,745.08, 35,513.22 and 15,132.64 is: 20,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,745.08 : 35,513.22 = 15,132.64 : x
  2. Step 2: Convert to fraction form
    25,745.08/35,513.22 = 15,132.64/x
  3. Step 3: Cross multiply
    25,745.08x = 35,513.22 × 15,132.64
  4. Step 4: Simplify right side
    25,745.08x = 537,408,773.50
  5. Step 5: Solve for x
    x = 537,408,773.50/25,745.08
  6. Step 6: Final answer
    x = 20,874.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.