Home / 23,115.10-34,692.09-21,657.10

Finding the Fourth Proportional to 23,115.10, 34,692.09 and 21,657.10

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Solution

The fourth proportional to 23,115.10, 34,692.09 and 21,657.10 is: 32,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,115.10 : 34,692.09 = 21,657.10 : x
  2. Step 2: Convert to fraction form
    23,115.10/34,692.09 = 21,657.10/x
  3. Step 3: Cross multiply
    23,115.10x = 34,692.09 × 21,657.10
  4. Step 4: Simplify right side
    23,115.10x = 751,330,062.34
  5. Step 5: Solve for x
    x = 751,330,062.34/23,115.10
  6. Step 6: Final answer
    x = 32,503.86

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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.