Home / 15,661.08-23,491.78-3,974.32

Finding the Fourth Proportional to 15,661.08, 23,491.78 and 3,974.32

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Solution

The fourth proportional to 15,661.08, 23,491.78 and 3,974.32 is: 5,961.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661.08 : 23,491.78 = 3,974.32 : x
  2. Step 2: Convert to fraction form
    15,661.08/23,491.78 = 3,974.32/x
  3. Step 3: Cross multiply
    15,661.08x = 23,491.78 × 3,974.32
  4. Step 4: Simplify right side
    15,661.08x = 93,363,851.09
  5. Step 5: Solve for x
    x = 93,363,851.09/15,661.08
  6. Step 6: Final answer
    x = 5,961.52

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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.