Home / 17,302.40-25,936.32-8,543.60

Finding the Fourth Proportional to 17,302.40, 25,936.32 and 8,543.60

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Solution

The fourth proportional to 17,302.40, 25,936.32 and 8,543.60 is: 12,806.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,302.40 : 25,936.32 = 8,543.60 : x
  2. Step 2: Convert to fraction form
    17,302.40/25,936.32 = 8,543.60/x
  3. Step 3: Cross multiply
    17,302.40x = 25,936.32 × 8,543.60
  4. Step 4: Simplify right side
    17,302.40x = 221,589,543.55
  5. Step 5: Solve for x
    x = 221,589,543.55/17,302.40
  6. Step 6: Final answer
    x = 12,806.87

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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.