Home / 16,943.40-25,407.81-5,257.53

Finding the Fourth Proportional to 16,943.40, 25,407.81 and 5,257.53

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Solution

The fourth proportional to 16,943.40, 25,407.81 and 5,257.53 is: 7,884.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.40 : 25,407.81 = 5,257.53 : x
  2. Step 2: Convert to fraction form
    16,943.40/25,407.81 = 5,257.53/x
  3. Step 3: Cross multiply
    16,943.40x = 25,407.81 × 5,257.53
  4. Step 4: Simplify right side
    16,943.40x = 133,582,323.31
  5. Step 5: Solve for x
    x = 133,582,323.31/16,943.40
  6. Step 6: Final answer
    x = 7,884.03

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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.