Home / 17,140.36-25,681.20-9,354.64

Finding the Fourth Proportional to 17,140.36, 25,681.20 and 9,354.64

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Solution

The fourth proportional to 17,140.36, 25,681.20 and 9,354.64 is: 14,015.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,140.36 : 25,681.20 = 9,354.64 : x
  2. Step 2: Convert to fraction form
    17,140.36/25,681.20 = 9,354.64/x
  3. Step 3: Cross multiply
    17,140.36x = 25,681.20 × 9,354.64
  4. Step 4: Simplify right side
    17,140.36x = 240,238,380.77
  5. Step 5: Solve for x
    x = 240,238,380.77/17,140.36
  6. Step 6: Final answer
    x = 14,015.95

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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.