Home / 14,311.07-21,474.96-5,990.36

Finding the Fourth Proportional to 14,311.07, 21,474.96 and 5,990.36

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Solution

The fourth proportional to 14,311.07, 21,474.96 and 5,990.36 is: 8,989.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,311.07 : 21,474.96 = 5,990.36 : x
  2. Step 2: Convert to fraction form
    14,311.07/21,474.96 = 5,990.36/x
  3. Step 3: Cross multiply
    14,311.07x = 21,474.96 × 5,990.36
  4. Step 4: Simplify right side
    14,311.07x = 128,642,741.39
  5. Step 5: Solve for x
    x = 128,642,741.39/14,311.07
  6. Step 6: Final answer
    x = 8,989.04

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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.