Home / 18,529.70-25,553.71-17,153.60

Finding the Fourth Proportional to 18,529.70, 25,553.71 and 17,153.60

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Solution

The fourth proportional to 18,529.70, 25,553.71 and 17,153.60 is: 23,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.70 : 25,553.71 = 17,153.60 : x
  2. Step 2: Convert to fraction form
    18,529.70/25,553.71 = 17,153.60/x
  3. Step 3: Cross multiply
    18,529.70x = 25,553.71 × 17,153.60
  4. Step 4: Simplify right side
    18,529.70x = 438,338,119.86
  5. Step 5: Solve for x
    x = 438,338,119.86/18,529.70
  6. Step 6: Final answer
    x = 23,655.97

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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.