Home / 13,436.24-18,535.56-11,570

Finding the Fourth Proportional to 13,436.24, 18,535.56 and 11,570

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Solution

The fourth proportional to 13,436.24, 18,535.56 and 11,570 is: 15,961.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.24 : 18,535.56 = 11,570 : x
  2. Step 2: Convert to fraction form
    13,436.24/18,535.56 = 11,570/x
  3. Step 3: Cross multiply
    13,436.24x = 18,535.56 × 11,570
  4. Step 4: Simplify right side
    13,436.24x = 214,456,429.20
  5. Step 5: Solve for x
    x = 214,456,429.20/13,436.24
  6. Step 6: Final answer
    x = 15,961.04

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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.