Home / 25,107.56-37,636.85-11,956.40

Finding the Fourth Proportional to 25,107.56, 37,636.85 and 11,956.40

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Solution

The fourth proportional to 25,107.56, 37,636.85 and 11,956.40 is: 17,922.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,107.56 : 37,636.85 = 11,956.40 : x
  2. Step 2: Convert to fraction form
    25,107.56/37,636.85 = 11,956.40/x
  3. Step 3: Cross multiply
    25,107.56x = 37,636.85 × 11,956.40
  4. Step 4: Simplify right side
    25,107.56x = 450,000,985.37
  5. Step 5: Solve for x
    x = 450,000,985.37/25,107.56
  6. Step 6: Final answer
    x = 17,922.93

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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.