Home / 26,898.26-40,347.32-8,178.21

Finding the Fourth Proportional to 26,898.26, 40,347.32 and 8,178.21

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Solution

The fourth proportional to 26,898.26, 40,347.32 and 8,178.21 is: 12,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,898.26 : 40,347.32 = 8,178.21 : x
  2. Step 2: Convert to fraction form
    26,898.26/40,347.32 = 8,178.21/x
  3. Step 3: Cross multiply
    26,898.26x = 40,347.32 × 8,178.21
  4. Step 4: Simplify right side
    26,898.26x = 329,968,815.01
  5. Step 5: Solve for x
    x = 329,968,815.01/26,898.26
  6. Step 6: Final answer
    x = 12,267.29

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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.