Home / 26,285.96-39,426.38-7,818.12

Finding the Fourth Proportional to 26,285.96, 39,426.38 and 7,818.12

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Solution

The fourth proportional to 26,285.96, 39,426.38 and 7,818.12 is: 11,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,285.96 : 39,426.38 = 7,818.12 : x
  2. Step 2: Convert to fraction form
    26,285.96/39,426.38 = 7,818.12/x
  3. Step 3: Cross multiply
    26,285.96x = 39,426.38 × 7,818.12
  4. Step 4: Simplify right side
    26,285.96x = 308,240,170.01
  5. Step 5: Solve for x
    x = 308,240,170.01/26,285.96
  6. Step 6: Final answer
    x = 11,726.42

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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.