Home / 20,627.50-28,466.01-11,196.07

Finding the Fourth Proportional to 20,627.50, 28,466.01 and 11,196.07

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Solution

The fourth proportional to 20,627.50, 28,466.01 and 11,196.07 is: 15,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627.50 : 28,466.01 = 11,196.07 : x
  2. Step 2: Convert to fraction form
    20,627.50/28,466.01 = 11,196.07/x
  3. Step 3: Cross multiply
    20,627.50x = 28,466.01 × 11,196.07
  4. Step 4: Simplify right side
    20,627.50x = 318,707,270.26
  5. Step 5: Solve for x
    x = 318,707,270.26/20,627.50
  6. Step 6: Final answer
    x = 15,450.60

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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.