Home / 14,399.89-21,601.64-5,633.66

Finding the Fourth Proportional to 14,399.89, 21,601.64 and 5,633.66

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Solution

The fourth proportional to 14,399.89, 21,601.64 and 5,633.66 is: 8,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.89 : 21,601.64 = 5,633.66 : x
  2. Step 2: Convert to fraction form
    14,399.89/21,601.64 = 5,633.66/x
  3. Step 3: Cross multiply
    14,399.89x = 21,601.64 × 5,633.66
  4. Step 4: Simplify right side
    14,399.89x = 121,696,267.03
  5. Step 5: Solve for x
    x = 121,696,267.03/14,399.89
  6. Step 6: Final answer
    x = 8,451.20

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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.