Home / 20,575.06-30,839.29-9,458.80

Finding the Fourth Proportional to 20,575.06, 30,839.29 and 9,458.80

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Solution

The fourth proportional to 20,575.06, 30,839.29 and 9,458.80 is: 14,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,575.06 : 30,839.29 = 9,458.80 : x
  2. Step 2: Convert to fraction form
    20,575.06/30,839.29 = 9,458.80/x
  3. Step 3: Cross multiply
    20,575.06x = 30,839.29 × 9,458.80
  4. Step 4: Simplify right side
    20,575.06x = 291,702,575.51
  5. Step 5: Solve for x
    x = 291,702,575.51/20,575.06
  6. Step 6: Final answer
    x = 14,177.49

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