Home / 20,348.24-30,525.42-7,200.74

Finding the Fourth Proportional to 20,348.24, 30,525.42 and 7,200.74

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Solution

The fourth proportional to 20,348.24, 30,525.42 and 7,200.74 is: 10,802.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348.24 : 30,525.42 = 7,200.74 : x
  2. Step 2: Convert to fraction form
    20,348.24/30,525.42 = 7,200.74/x
  3. Step 3: Cross multiply
    20,348.24x = 30,525.42 × 7,200.74
  4. Step 4: Simplify right side
    20,348.24x = 219,805,612.81
  5. Step 5: Solve for x
    x = 219,805,612.81/20,348.24
  6. Step 6: Final answer
    x = 10,802.19

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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.