Home / 22,014.57-30,372.93-12,453.54

Finding the Fourth Proportional to 22,014.57, 30,372.93 and 12,453.54

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Solution

The fourth proportional to 22,014.57, 30,372.93 and 12,453.54 is: 17,181.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,014.57 : 30,372.93 = 12,453.54 : x
  2. Step 2: Convert to fraction form
    22,014.57/30,372.93 = 12,453.54/x
  3. Step 3: Cross multiply
    22,014.57x = 30,372.93 × 12,453.54
  4. Step 4: Simplify right side
    22,014.57x = 378,250,384.77
  5. Step 5: Solve for x
    x = 378,250,384.77/22,014.57
  6. Step 6: Final answer
    x = 17,181.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.