Home / 20,925.26-28,877.04-11,494.04

Finding the Fourth Proportional to 20,925.26, 28,877.04 and 11,494.04

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Solution

The fourth proportional to 20,925.26, 28,877.04 and 11,494.04 is: 15,861.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,925.26 : 28,877.04 = 11,494.04 : x
  2. Step 2: Convert to fraction form
    20,925.26/28,877.04 = 11,494.04/x
  3. Step 3: Cross multiply
    20,925.26x = 28,877.04 × 11,494.04
  4. Step 4: Simplify right side
    20,925.26x = 331,913,852.84
  5. Step 5: Solve for x
    x = 331,913,852.84/20,925.26
  6. Step 6: Final answer
    x = 15,861.87

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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.