Home / 19,435.96-26,830.62-12,372.04

Finding the Fourth Proportional to 19,435.96, 26,830.62 and 12,372.04

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Solution

The fourth proportional to 19,435.96, 26,830.62 and 12,372.04 is: 17,079.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,435.96 : 26,830.62 = 12,372.04 : x
  2. Step 2: Convert to fraction form
    19,435.96/26,830.62 = 12,372.04/x
  3. Step 3: Cross multiply
    19,435.96x = 26,830.62 × 12,372.04
  4. Step 4: Simplify right side
    19,435.96x = 331,949,503.86
  5. Step 5: Solve for x
    x = 331,949,503.86/19,435.96
  6. Step 6: Final answer
    x = 17,079.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.