Home / 20,603.26-28,433.18-11,652.22

Finding the Fourth Proportional to 20,603.26, 28,433.18 and 11,652.22

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Solution

The fourth proportional to 20,603.26, 28,433.18 and 11,652.22 is: 16,080.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,603.26 : 28,433.18 = 11,652.22 : x
  2. Step 2: Convert to fraction form
    20,603.26/28,433.18 = 11,652.22/x
  3. Step 3: Cross multiply
    20,603.26x = 28,433.18 × 11,652.22
  4. Step 4: Simplify right side
    20,603.26x = 331,309,468.23
  5. Step 5: Solve for x
    x = 331,309,468.23/20,603.26
  6. Step 6: Final answer
    x = 16,080.44

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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.