Home / 15,789.72-23,676.90-9,218.04

Finding the Fourth Proportional to 15,789.72, 23,676.90 and 9,218.04

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Solution

The fourth proportional to 15,789.72, 23,676.90 and 9,218.04 is: 13,822.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789.72 : 23,676.90 = 9,218.04 : x
  2. Step 2: Convert to fraction form
    15,789.72/23,676.90 = 9,218.04/x
  3. Step 3: Cross multiply
    15,789.72x = 23,676.90 × 9,218.04
  4. Step 4: Simplify right side
    15,789.72x = 218,254,611.28
  5. Step 5: Solve for x
    x = 218,254,611.28/15,789.72
  6. Step 6: Final answer
    x = 13,822.58

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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.