Home / 15,936.96-23,897.34-5,403.72

Finding the Fourth Proportional to 15,936.96, 23,897.34 and 5,403.72

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Solution

The fourth proportional to 15,936.96, 23,897.34 and 5,403.72 is: 8,102.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,936.96 : 23,897.34 = 5,403.72 : x
  2. Step 2: Convert to fraction form
    15,936.96/23,897.34 = 5,403.72/x
  3. Step 3: Cross multiply
    15,936.96x = 23,897.34 × 5,403.72
  4. Step 4: Simplify right side
    15,936.96x = 129,134,534.10
  5. Step 5: Solve for x
    x = 129,134,534.10/15,936.96
  6. Step 6: Final answer
    x = 8,102.83

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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.