Home / 17,743.20-24,485.78-9,785.72

Finding the Fourth Proportional to 17,743.20, 24,485.78 and 9,785.72

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Solution

The fourth proportional to 17,743.20, 24,485.78 and 9,785.72 is: 13,504.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,743.20 : 24,485.78 = 9,785.72 : x
  2. Step 2: Convert to fraction form
    17,743.20/24,485.78 = 9,785.72/x
  3. Step 3: Cross multiply
    17,743.20x = 24,485.78 × 9,785.72
  4. Step 4: Simplify right side
    17,743.20x = 239,610,987.06
  5. Step 5: Solve for x
    x = 239,610,987.06/17,743.20
  6. Step 6: Final answer
    x = 13,504.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.