Home / 20,627.91-28,466.32-11,196.46

Finding the Fourth Proportional to 20,627.91, 28,466.32 and 11,196.46

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Solution

The fourth proportional to 20,627.91, 28,466.32 and 11,196.46 is: 15,451.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627.91 : 28,466.32 = 11,196.46 : x
  2. Step 2: Convert to fraction form
    20,627.91/28,466.32 = 11,196.46/x
  3. Step 3: Cross multiply
    20,627.91x = 28,466.32 × 11,196.46
  4. Step 4: Simplify right side
    20,627.91x = 318,722,013.23
  5. Step 5: Solve for x
    x = 318,722,013.23/20,627.91
  6. Step 6: Final answer
    x = 15,451.01

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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.