Home / 26,528.40-39,796.54-8,760.94

Finding the Fourth Proportional to 26,528.40, 39,796.54 and 8,760.94

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Solution

The fourth proportional to 26,528.40, 39,796.54 and 8,760.94 is: 13,142.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,528.40 : 39,796.54 = 8,760.94 : x
  2. Step 2: Convert to fraction form
    26,528.40/39,796.54 = 8,760.94/x
  3. Step 3: Cross multiply
    26,528.40x = 39,796.54 × 8,760.94
  4. Step 4: Simplify right side
    26,528.40x = 348,654,977.75
  5. Step 5: Solve for x
    x = 348,654,977.75/26,528.40
  6. Step 6: Final answer
    x = 13,142.71

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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.