Home / 18,280.35-27,403.01-7,735.86

Finding the Fourth Proportional to 18,280.35, 27,403.01 and 7,735.86

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Solution

The fourth proportional to 18,280.35, 27,403.01 and 7,735.86 is: 11,596.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.35 : 27,403.01 = 7,735.86 : x
  2. Step 2: Convert to fraction form
    18,280.35/27,403.01 = 7,735.86/x
  3. Step 3: Cross multiply
    18,280.35x = 27,403.01 × 7,735.86
  4. Step 4: Simplify right side
    18,280.35x = 211,985,834.06
  5. Step 5: Solve for x
    x = 211,985,834.06/18,280.35
  6. Step 6: Final answer
    x = 11,596.38

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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.