Home / 23,145.98-34,720.60-11,456.06

Finding the Fourth Proportional to 23,145.98, 34,720.60 and 11,456.06

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Solution

The fourth proportional to 23,145.98, 34,720.60 and 11,456.06 is: 17,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.98 : 34,720.60 = 11,456.06 : x
  2. Step 2: Convert to fraction form
    23,145.98/34,720.60 = 11,456.06/x
  3. Step 3: Cross multiply
    23,145.98x = 34,720.60 × 11,456.06
  4. Step 4: Simplify right side
    23,145.98x = 397,761,335.00
  5. Step 5: Solve for x
    x = 397,761,335.00/23,145.98
  6. Step 6: Final answer
    x = 17,184.90

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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.