Home / 26,898.66-40,348.40-8,179.56

Finding the Fourth Proportional to 26,898.66, 40,348.40 and 8,179.56

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Solution

The fourth proportional to 26,898.66, 40,348.40 and 8,179.56 is: 12,269.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,898.66 : 40,348.40 = 8,179.56 : x
  2. Step 2: Convert to fraction form
    26,898.66/40,348.40 = 8,179.56/x
  3. Step 3: Cross multiply
    26,898.66x = 40,348.40 × 8,179.56
  4. Step 4: Simplify right side
    26,898.66x = 330,032,117.81
  5. Step 5: Solve for x
    x = 330,032,117.81/26,898.66
  6. Step 6: Final answer
    x = 12,269.46

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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.