Home / 29,016.86-40,028.53-18,951.19

Finding the Fourth Proportional to 29,016.86, 40,028.53 and 18,951.19

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Solution

The fourth proportional to 29,016.86, 40,028.53 and 18,951.19 is: 26,143.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,016.86 : 40,028.53 = 18,951.19 : x
  2. Step 2: Convert to fraction form
    29,016.86/40,028.53 = 18,951.19/x
  3. Step 3: Cross multiply
    29,016.86x = 40,028.53 × 18,951.19
  4. Step 4: Simplify right side
    29,016.86x = 758,588,277.45
  5. Step 5: Solve for x
    x = 758,588,277.45/29,016.86
  6. Step 6: Final answer
    x = 26,143.02

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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.