Home / 13,331.73-18,397.67-7,363.80

Finding the Fourth Proportional to 13,331.73, 18,397.67 and 7,363.80

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Solution

The fourth proportional to 13,331.73, 18,397.67 and 7,363.80 is: 10,161.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.73 : 18,397.67 = 7,363.80 : x
  2. Step 2: Convert to fraction form
    13,331.73/18,397.67 = 7,363.80/x
  3. Step 3: Cross multiply
    13,331.73x = 18,397.67 × 7,363.80
  4. Step 4: Simplify right side
    13,331.73x = 135,476,762.35
  5. Step 5: Solve for x
    x = 135,476,762.35/13,331.73
  6. Step 6: Final answer
    x = 10,161.98

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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.