Home / 16,653.16-24,989.18-6,121.81

Finding the Fourth Proportional to 16,653.16, 24,989.18 and 6,121.81

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Solution

The fourth proportional to 16,653.16, 24,989.18 and 6,121.81 is: 9,186.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,653.16 : 24,989.18 = 6,121.81 : x
  2. Step 2: Convert to fraction form
    16,653.16/24,989.18 = 6,121.81/x
  3. Step 3: Cross multiply
    16,653.16x = 24,989.18 × 6,121.81
  4. Step 4: Simplify right side
    16,653.16x = 152,979,012.02
  5. Step 5: Solve for x
    x = 152,979,012.02/16,653.16
  6. Step 6: Final answer
    x = 9,186.19

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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.