Home / 20,066.08-27,688.23-11,567.54

Finding the Fourth Proportional to 20,066.08, 27,688.23 and 11,567.54

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Solution

The fourth proportional to 20,066.08, 27,688.23 and 11,567.54 is: 15,961.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.08 : 27,688.23 = 11,567.54 : x
  2. Step 2: Convert to fraction form
    20,066.08/27,688.23 = 11,567.54/x
  3. Step 3: Cross multiply
    20,066.08x = 27,688.23 × 11,567.54
  4. Step 4: Simplify right side
    20,066.08x = 320,284,708.05
  5. Step 5: Solve for x
    x = 320,284,708.05/20,066.08
  6. Step 6: Final answer
    x = 15,961.50

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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.