Home / 20,013.19-30,015.23-7,534.53

Finding the Fourth Proportional to 20,013.19, 30,015.23 and 7,534.53

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Solution

The fourth proportional to 20,013.19, 30,015.23 and 7,534.53 is: 11,300.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013.19 : 30,015.23 = 7,534.53 : x
  2. Step 2: Convert to fraction form
    20,013.19/30,015.23 = 7,534.53/x
  3. Step 3: Cross multiply
    20,013.19x = 30,015.23 × 7,534.53
  4. Step 4: Simplify right side
    20,013.19x = 226,150,613.22
  5. Step 5: Solve for x
    x = 226,150,613.22/20,013.19
  6. Step 6: Final answer
    x = 11,300.08

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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.