Home / 23,920.79-33,010.99-13,166.90

Finding the Fourth Proportional to 23,920.79, 33,010.99 and 13,166.90

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Solution

The fourth proportional to 23,920.79, 33,010.99 and 13,166.90 is: 18,170.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,920.79 : 33,010.99 = 13,166.90 : x
  2. Step 2: Convert to fraction form
    23,920.79/33,010.99 = 13,166.90/x
  3. Step 3: Cross multiply
    23,920.79x = 33,010.99 × 13,166.90
  4. Step 4: Simplify right side
    23,920.79x = 434,652,420.92
  5. Step 5: Solve for x
    x = 434,652,420.92/23,920.79
  6. Step 6: Final answer
    x = 18,170.49

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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.