Home / 17,294.88-25,919.76-7,931.52

Finding the Fourth Proportional to 17,294.88, 25,919.76 and 7,931.52

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Solution

The fourth proportional to 17,294.88, 25,919.76 and 7,931.52 is: 11,886.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,294.88 : 25,919.76 = 7,931.52 : x
  2. Step 2: Convert to fraction form
    17,294.88/25,919.76 = 7,931.52/x
  3. Step 3: Cross multiply
    17,294.88x = 25,919.76 × 7,931.52
  4. Step 4: Simplify right side
    17,294.88x = 205,583,094.84
  5. Step 5: Solve for x
    x = 205,583,094.84/17,294.88
  6. Step 6: Final answer
    x = 11,886.93

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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.