Home / 14,083.50-21,125.55-5,322.54

Finding the Fourth Proportional to 14,083.50, 21,125.55 and 5,322.54

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Solution

The fourth proportional to 14,083.50, 21,125.55 and 5,322.54 is: 7,983.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.50 : 21,125.55 = 5,322.54 : x
  2. Step 2: Convert to fraction form
    14,083.50/21,125.55 = 5,322.54/x
  3. Step 3: Cross multiply
    14,083.50x = 21,125.55 × 5,322.54
  4. Step 4: Simplify right side
    14,083.50x = 112,441,584.90
  5. Step 5: Solve for x
    x = 112,441,584.90/14,083.50
  6. Step 6: Final answer
    x = 7,983.92

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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.