Home / 16,928.31-25,362.50-11,386.29

Finding the Fourth Proportional to 16,928.31, 25,362.50 and 11,386.29

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Solution

The fourth proportional to 16,928.31, 25,362.50 and 11,386.29 is: 17,059.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,928.31 : 25,362.50 = 11,386.29 : x
  2. Step 2: Convert to fraction form
    16,928.31/25,362.50 = 11,386.29/x
  3. Step 3: Cross multiply
    16,928.31x = 25,362.50 × 11,386.29
  4. Step 4: Simplify right side
    16,928.31x = 288,784,723.19
  5. Step 5: Solve for x
    x = 288,784,723.19/16,928.31
  6. Step 6: Final answer
    x = 17,059.28

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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.