Home / 20,225.03-27,902.30-12,253.41

Finding the Fourth Proportional to 20,225.03, 27,902.30 and 12,253.41

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Solution

The fourth proportional to 20,225.03, 27,902.30 and 12,253.41 is: 16,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225.03 : 27,902.30 = 12,253.41 : x
  2. Step 2: Convert to fraction form
    20,225.03/27,902.30 = 12,253.41/x
  3. Step 3: Cross multiply
    20,225.03x = 27,902.30 × 12,253.41
  4. Step 4: Simplify right side
    20,225.03x = 341,898,260.58
  5. Step 5: Solve for x
    x = 341,898,260.58/20,225.03
  6. Step 6: Final answer
    x = 16,904.71

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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.