Home / 26,974.98-40,472.16-12,172.62

Finding the Fourth Proportional to 26,974.98, 40,472.16 and 12,172.62

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Solution

The fourth proportional to 26,974.98, 40,472.16 and 12,172.62 is: 18,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,974.98 : 40,472.16 = 12,172.62 : x
  2. Step 2: Convert to fraction form
    26,974.98/40,472.16 = 12,172.62/x
  3. Step 3: Cross multiply
    26,974.98x = 40,472.16 × 12,172.62
  4. Step 4: Simplify right side
    26,974.98x = 492,652,224.26
  5. Step 5: Solve for x
    x = 492,652,224.26/26,974.98
  6. Step 6: Final answer
    x = 18,263.30

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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.