Home / 17,100.19-23,579.67-11,120.77

Finding the Fourth Proportional to 17,100.19, 23,579.67 and 11,120.77

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Solution

The fourth proportional to 17,100.19, 23,579.67 and 11,120.77 is: 15,334.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,100.19 : 23,579.67 = 11,120.77 : x
  2. Step 2: Convert to fraction form
    17,100.19/23,579.67 = 11,120.77/x
  3. Step 3: Cross multiply
    17,100.19x = 23,579.67 × 11,120.77
  4. Step 4: Simplify right side
    17,100.19x = 262,224,086.75
  5. Step 5: Solve for x
    x = 262,224,086.75/17,100.19
  6. Step 6: Final answer
    x = 15,334.57

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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.