Home / 17,275.40-25,871.57-9,857.36

Finding the Fourth Proportional to 17,275.40, 25,871.57 and 9,857.36

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Solution

The fourth proportional to 17,275.40, 25,871.57 and 9,857.36 is: 14,762.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,275.40 : 25,871.57 = 9,857.36 : x
  2. Step 2: Convert to fraction form
    17,275.40/25,871.57 = 9,857.36/x
  3. Step 3: Cross multiply
    17,275.40x = 25,871.57 × 9,857.36
  4. Step 4: Simplify right side
    17,275.40x = 255,025,394.65
  5. Step 5: Solve for x
    x = 255,025,394.65/17,275.40
  6. Step 6: Final answer
    x = 14,762.35

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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.