Home / 16,865.81-25,294.38-5,016.51

Finding the Fourth Proportional to 16,865.81, 25,294.38 and 5,016.51

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Solution

The fourth proportional to 16,865.81, 25,294.38 and 5,016.51 is: 7,523.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.81 : 25,294.38 = 5,016.51 : x
  2. Step 2: Convert to fraction form
    16,865.81/25,294.38 = 5,016.51/x
  3. Step 3: Cross multiply
    16,865.81x = 25,294.38 × 5,016.51
  4. Step 4: Simplify right side
    16,865.81x = 126,889,510.21
  5. Step 5: Solve for x
    x = 126,889,510.21/16,865.81
  6. Step 6: Final answer
    x = 7,523.48

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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.