Home / 17,236.57-25,854.88-5,390.41

Finding the Fourth Proportional to 17,236.57, 25,854.88 and 5,390.41

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Solution

The fourth proportional to 17,236.57, 25,854.88 and 5,390.41 is: 8,085.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,236.57 : 25,854.88 = 5,390.41 : x
  2. Step 2: Convert to fraction form
    17,236.57/25,854.88 = 5,390.41/x
  3. Step 3: Cross multiply
    17,236.57x = 25,854.88 × 5,390.41
  4. Step 4: Simplify right side
    17,236.57x = 139,368,403.70
  5. Step 5: Solve for x
    x = 139,368,403.70/17,236.57
  6. Step 6: Final answer
    x = 8,085.62

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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.