Home / 17,956.18-26,904.63-10,438.65

Finding the Fourth Proportional to 17,956.18, 26,904.63 and 10,438.65

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Solution

The fourth proportional to 17,956.18, 26,904.63 and 10,438.65 is: 15,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,956.18 : 26,904.63 = 10,438.65 : x
  2. Step 2: Convert to fraction form
    17,956.18/26,904.63 = 10,438.65/x
  3. Step 3: Cross multiply
    17,956.18x = 26,904.63 × 10,438.65
  4. Step 4: Simplify right side
    17,956.18x = 280,848,015.95
  5. Step 5: Solve for x
    x = 280,848,015.95/17,956.18
  6. Step 6: Final answer
    x = 15,640.74

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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.