Home / 21,713.44-32,570.72-5,918.60

Finding the Fourth Proportional to 21,713.44, 32,570.72 and 5,918.60

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Solution

The fourth proportional to 21,713.44, 32,570.72 and 5,918.60 is: 8,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,713.44 : 32,570.72 = 5,918.60 : x
  2. Step 2: Convert to fraction form
    21,713.44/32,570.72 = 5,918.60/x
  3. Step 3: Cross multiply
    21,713.44x = 32,570.72 × 5,918.60
  4. Step 4: Simplify right side
    21,713.44x = 192,773,063.39
  5. Step 5: Solve for x
    x = 192,773,063.39/21,713.44
  6. Step 6: Final answer
    x = 8,878.05

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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.