Home / 18,469.21-25,484.53-10,511.56

Finding the Fourth Proportional to 18,469.21, 25,484.53 and 10,511.56

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Solution

The fourth proportional to 18,469.21, 25,484.53 and 10,511.56 is: 14,504.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469.21 : 25,484.53 = 10,511.56 : x
  2. Step 2: Convert to fraction form
    18,469.21/25,484.53 = 10,511.56/x
  3. Step 3: Cross multiply
    18,469.21x = 25,484.53 × 10,511.56
  4. Step 4: Simplify right side
    18,469.21x = 267,882,166.17
  5. Step 5: Solve for x
    x = 267,882,166.17/18,469.21
  6. Step 6: Final answer
    x = 14,504.26

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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.