Home / 15,784.38-23,676.30-5,789.88

Finding the Fourth Proportional to 15,784.38, 23,676.30 and 5,789.88

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Solution

The fourth proportional to 15,784.38, 23,676.30 and 5,789.88 is: 8,684.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784.38 : 23,676.30 = 5,789.88 : x
  2. Step 2: Convert to fraction form
    15,784.38/23,676.30 = 5,789.88/x
  3. Step 3: Cross multiply
    15,784.38x = 23,676.30 × 5,789.88
  4. Step 4: Simplify right side
    15,784.38x = 137,082,935.84
  5. Step 5: Solve for x
    x = 137,082,935.84/15,784.38
  6. Step 6: Final answer
    x = 8,684.72

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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.