Home / 15,933.12-23,899.52-4,086.86

Finding the Fourth Proportional to 15,933.12, 23,899.52 and 4,086.86

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Solution

The fourth proportional to 15,933.12, 23,899.52 and 4,086.86 is: 6,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,933.12 : 23,899.52 = 4,086.86 : x
  2. Step 2: Convert to fraction form
    15,933.12/23,899.52 = 4,086.86/x
  3. Step 3: Cross multiply
    15,933.12x = 23,899.52 × 4,086.86
  4. Step 4: Simplify right side
    15,933.12x = 97,673,992.31
  5. Step 5: Solve for x
    x = 97,673,992.31/15,933.12
  6. Step 6: Final answer
    x = 6,130.25

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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.