Home / 15,661.98-23,450.59-11,470.23

Finding the Fourth Proportional to 15,661.98, 23,450.59 and 11,470.23

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Solution

The fourth proportional to 15,661.98, 23,450.59 and 11,470.23 is: 17,174.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661.98 : 23,450.59 = 11,470.23 : x
  2. Step 2: Convert to fraction form
    15,661.98/23,450.59 = 11,470.23/x
  3. Step 3: Cross multiply
    15,661.98x = 23,450.59 × 11,470.23
  4. Step 4: Simplify right side
    15,661.98x = 268,983,660.94
  5. Step 5: Solve for x
    x = 268,983,660.94/15,661.98
  6. Step 6: Final answer
    x = 17,174.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.