Home / 13,941.11-19,238.30-7,567.40

Finding the Fourth Proportional to 13,941.11, 19,238.30 and 7,567.40

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Solution

The fourth proportional to 13,941.11, 19,238.30 and 7,567.40 is: 10,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.11 : 19,238.30 = 7,567.40 : x
  2. Step 2: Convert to fraction form
    13,941.11/19,238.30 = 7,567.40/x
  3. Step 3: Cross multiply
    13,941.11x = 19,238.30 × 7,567.40
  4. Step 4: Simplify right side
    13,941.11x = 145,583,911.42
  5. Step 5: Solve for x
    x = 145,583,911.42/13,941.11
  6. Step 6: Final answer
    x = 10,442.78

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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.