Home / 14,419.08-21,615.66-5,660.28

Finding the Fourth Proportional to 14,419.08, 21,615.66 and 5,660.28

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Solution

The fourth proportional to 14,419.08, 21,615.66 and 5,660.28 is: 8,485.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419.08 : 21,615.66 = 5,660.28 : x
  2. Step 2: Convert to fraction form
    14,419.08/21,615.66 = 5,660.28/x
  3. Step 3: Cross multiply
    14,419.08x = 21,615.66 × 5,660.28
  4. Step 4: Simplify right side
    14,419.08x = 122,350,687.98
  5. Step 5: Solve for x
    x = 122,350,687.98/14,419.08
  6. Step 6: Final answer
    x = 8,485.33

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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.