Home / 12,363.39-18,553.23-11,543.22

Finding the Fourth Proportional to 12,363.39, 18,553.23 and 11,543.22

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Solution

The fourth proportional to 12,363.39, 18,553.23 and 11,543.22 is: 17,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363.39 : 18,553.23 = 11,543.22 : x
  2. Step 2: Convert to fraction form
    12,363.39/18,553.23 = 11,543.22/x
  3. Step 3: Cross multiply
    12,363.39x = 18,553.23 × 11,543.22
  4. Step 4: Simplify right side
    12,363.39x = 214,164,015.60
  5. Step 5: Solve for x
    x = 214,164,015.60/12,363.39
  6. Step 6: Final answer
    x = 17,322.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.