Home / 17,239.68-25,856.16-7,877.04

Finding the Fourth Proportional to 17,239.68, 25,856.16 and 7,877.04

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Solution

The fourth proportional to 17,239.68, 25,856.16 and 7,877.04 is: 11,814.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,239.68 : 25,856.16 = 7,877.04 : x
  2. Step 2: Convert to fraction form
    17,239.68/25,856.16 = 7,877.04/x
  3. Step 3: Cross multiply
    17,239.68x = 25,856.16 × 7,877.04
  4. Step 4: Simplify right side
    17,239.68x = 203,670,006.57
  5. Step 5: Solve for x
    x = 203,670,006.57/17,239.68
  6. Step 6: Final answer
    x = 11,814.02

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1.5x scale

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.