Home / 14,396.48-21,581.76-5,160.32

Finding the Fourth Proportional to 14,396.48, 21,581.76 and 5,160.32

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Solution

The fourth proportional to 14,396.48, 21,581.76 and 5,160.32 is: 7,735.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,396.48 : 21,581.76 = 5,160.32 : x
  2. Step 2: Convert to fraction form
    14,396.48/21,581.76 = 5,160.32/x
  3. Step 3: Cross multiply
    14,396.48x = 21,581.76 × 5,160.32
  4. Step 4: Simplify right side
    14,396.48x = 111,368,787.76
  5. Step 5: Solve for x
    x = 111,368,787.76/14,396.48
  6. Step 6: Final answer
    x = 7,735.83

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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.