Home / 16,128.81-24,202.56-6,768

Finding the Fourth Proportional to 16,128.81, 24,202.56 and 6,768

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Solution

The fourth proportional to 16,128.81, 24,202.56 and 6,768 is: 10,155.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.81 : 24,202.56 = 6,768 : x
  2. Step 2: Convert to fraction form
    16,128.81/24,202.56 = 6,768/x
  3. Step 3: Cross multiply
    16,128.81x = 24,202.56 × 6,768
  4. Step 4: Simplify right side
    16,128.81x = 163,802,926.08
  5. Step 5: Solve for x
    x = 163,802,926.08/16,128.81
  6. Step 6: Final answer
    x = 10,155.92

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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.