Home / 13,324.18-18,465.11-13,136.26

Finding the Fourth Proportional to 13,324.18, 18,465.11 and 13,136.26

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Solution

The fourth proportional to 13,324.18, 18,465.11 and 13,136.26 is: 18,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.18 : 18,465.11 = 13,136.26 : x
  2. Step 2: Convert to fraction form
    13,324.18/18,465.11 = 13,136.26/x
  3. Step 3: Cross multiply
    13,324.18x = 18,465.11 × 13,136.26
  4. Step 4: Simplify right side
    13,324.18x = 242,562,485.89
  5. Step 5: Solve for x
    x = 242,562,485.89/13,324.18
  6. Step 6: Final answer
    x = 18,204.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.