Home / 20,716.96-31,070.22-5,925.96

Finding the Fourth Proportional to 20,716.96, 31,070.22 and 5,925.96

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Solution

The fourth proportional to 20,716.96, 31,070.22 and 5,925.96 is: 8,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,716.96 : 31,070.22 = 5,925.96 : x
  2. Step 2: Convert to fraction form
    20,716.96/31,070.22 = 5,925.96/x
  3. Step 3: Cross multiply
    20,716.96x = 31,070.22 × 5,925.96
  4. Step 4: Simplify right side
    20,716.96x = 184,120,880.91
  5. Step 5: Solve for x
    x = 184,120,880.91/20,716.96
  6. Step 6: Final answer
    x = 8,887.45

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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.