Home / 13,588.84-20,386.14-4,361.32

Finding the Fourth Proportional to 13,588.84, 20,386.14 and 4,361.32

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Solution

The fourth proportional to 13,588.84, 20,386.14 and 4,361.32 is: 6,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.84 : 20,386.14 = 4,361.32 : x
  2. Step 2: Convert to fraction form
    13,588.84/20,386.14 = 4,361.32/x
  3. Step 3: Cross multiply
    13,588.84x = 20,386.14 × 4,361.32
  4. Step 4: Simplify right side
    13,588.84x = 88,910,480.10
  5. Step 5: Solve for x
    x = 88,910,480.10/13,588.84
  6. Step 6: Final answer
    x = 6,542.90

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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.