Home / 13,569.08-20,361.18-7,328.96

Finding the Fourth Proportional to 13,569.08, 20,361.18 and 7,328.96

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Solution

The fourth proportional to 13,569.08, 20,361.18 and 7,328.96 is: 10,997.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.08 : 20,361.18 = 7,328.96 : x
  2. Step 2: Convert to fraction form
    13,569.08/20,361.18 = 7,328.96/x
  3. Step 3: Cross multiply
    13,569.08x = 20,361.18 × 7,328.96
  4. Step 4: Simplify right side
    13,569.08x = 149,226,273.77
  5. Step 5: Solve for x
    x = 149,226,273.77/13,569.08
  6. Step 6: Final answer
    x = 10,997.52

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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.