Home / 14,270.48-21,410.78-6,372.28

Finding the Fourth Proportional to 14,270.48, 21,410.78 and 6,372.28

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Solution

The fourth proportional to 14,270.48, 21,410.78 and 6,372.28 is: 9,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.48 : 21,410.78 = 6,372.28 : x
  2. Step 2: Convert to fraction form
    14,270.48/21,410.78 = 6,372.28/x
  3. Step 3: Cross multiply
    14,270.48x = 21,410.78 × 6,372.28
  4. Step 4: Simplify right side
    14,270.48x = 136,435,485.18
  5. Step 5: Solve for x
    x = 136,435,485.18/14,270.48
  6. Step 6: Final answer
    x = 9,560.68

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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.