Home / 13,957.48-20,936.94-3,569.32

Finding the Fourth Proportional to 13,957.48, 20,936.94 and 3,569.32

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Solution

The fourth proportional to 13,957.48, 20,936.94 and 3,569.32 is: 5,354.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.48 : 20,936.94 = 3,569.32 : x
  2. Step 2: Convert to fraction form
    13,957.48/20,936.94 = 3,569.32/x
  3. Step 3: Cross multiply
    13,957.48x = 20,936.94 × 3,569.32
  4. Step 4: Simplify right side
    13,957.48x = 74,730,638.68
  5. Step 5: Solve for x
    x = 74,730,638.68/13,957.48
  6. Step 6: Final answer
    x = 5,354.16

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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.