Home / 26,636.20-39,905.10-15,548.20

Finding the Fourth Proportional to 26,636.20, 39,905.10 and 15,548.20

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Solution

The fourth proportional to 26,636.20, 39,905.10 and 15,548.20 is: 23,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,636.20 : 39,905.10 = 15,548.20 : x
  2. Step 2: Convert to fraction form
    26,636.20/39,905.10 = 15,548.20/x
  3. Step 3: Cross multiply
    26,636.20x = 39,905.10 × 15,548.20
  4. Step 4: Simplify right side
    26,636.20x = 620,452,475.82
  5. Step 5: Solve for x
    x = 620,452,475.82/26,636.20
  6. Step 6: Final answer
    x = 23,293.58

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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.