Home / 16,851.24-25,283.41-6,988

Finding the Fourth Proportional to 16,851.24, 25,283.41 and 6,988

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Solution

The fourth proportional to 16,851.24, 25,283.41 and 6,988 is: 10,484.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851.24 : 25,283.41 = 6,988 : x
  2. Step 2: Convert to fraction form
    16,851.24/25,283.41 = 6,988/x
  3. Step 3: Cross multiply
    16,851.24x = 25,283.41 × 6,988
  4. Step 4: Simplify right side
    16,851.24x = 176,680,469.08
  5. Step 5: Solve for x
    x = 176,680,469.08/16,851.24
  6. Step 6: Final answer
    x = 10,484.72

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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.