Home / 15,661.27-23,491.77-3,974.32

Finding the Fourth Proportional to 15,661.27, 23,491.77 and 3,974.32

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Solution

The fourth proportional to 15,661.27, 23,491.77 and 3,974.32 is: 5,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661.27 : 23,491.77 = 3,974.32 : x
  2. Step 2: Convert to fraction form
    15,661.27/23,491.77 = 3,974.32/x
  3. Step 3: Cross multiply
    15,661.27x = 23,491.77 × 3,974.32
  4. Step 4: Simplify right side
    15,661.27x = 93,363,811.35
  5. Step 5: Solve for x
    x = 93,363,811.35/15,661.27
  6. Step 6: Final answer
    x = 5,961.45

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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.