Home / 15,790.49-23,680.60-5,257.68

Finding the Fourth Proportional to 15,790.49, 23,680.60 and 5,257.68

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Solution

The fourth proportional to 15,790.49, 23,680.60 and 5,257.68 is: 7,884.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790.49 : 23,680.60 = 5,257.68 : x
  2. Step 2: Convert to fraction form
    15,790.49/23,680.60 = 5,257.68/x
  3. Step 3: Cross multiply
    15,790.49x = 23,680.60 × 5,257.68
  4. Step 4: Simplify right side
    15,790.49x = 124,505,017.01
  5. Step 5: Solve for x
    x = 124,505,017.01/15,790.49
  6. Step 6: Final answer
    x = 7,884.81

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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.