Home / 14,193.64-21,288.86-3,806.12

Finding the Fourth Proportional to 14,193.64, 21,288.86 and 3,806.12

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Solution

The fourth proportional to 14,193.64, 21,288.86 and 3,806.12 is: 5,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.64 : 21,288.86 = 3,806.12 : x
  2. Step 2: Convert to fraction form
    14,193.64/21,288.86 = 3,806.12/x
  3. Step 3: Cross multiply
    14,193.64x = 21,288.86 × 3,806.12
  4. Step 4: Simplify right side
    14,193.64x = 81,027,955.82
  5. Step 5: Solve for x
    x = 81,027,955.82/14,193.64
  6. Step 6: Final answer
    x = 5,708.75

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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.