Home / 19,354.14-29,019.87-13,842.90

Finding the Fourth Proportional to 19,354.14, 29,019.87 and 13,842.90

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Solution

The fourth proportional to 19,354.14, 29,019.87 and 13,842.90 is: 20,756.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.14 : 29,019.87 = 13,842.90 : x
  2. Step 2: Convert to fraction form
    19,354.14/29,019.87 = 13,842.90/x
  3. Step 3: Cross multiply
    19,354.14x = 29,019.87 × 13,842.90
  4. Step 4: Simplify right side
    19,354.14x = 401,719,158.42
  5. Step 5: Solve for x
    x = 401,719,158.42/19,354.14
  6. Step 6: Final answer
    x = 20,756.24

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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.