Home / 16,813.68-25,220.44-5,126.86

Finding the Fourth Proportional to 16,813.68, 25,220.44 and 5,126.86

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Solution

The fourth proportional to 16,813.68, 25,220.44 and 5,126.86 is: 7,690.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.68 : 25,220.44 = 5,126.86 : x
  2. Step 2: Convert to fraction form
    16,813.68/25,220.44 = 5,126.86/x
  3. Step 3: Cross multiply
    16,813.68x = 25,220.44 × 5,126.86
  4. Step 4: Simplify right side
    16,813.68x = 129,301,665.02
  5. Step 5: Solve for x
    x = 129,301,665.02/16,813.68
  6. Step 6: Final answer
    x = 7,690.27

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1.5x scale

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.