Home / 17,265.45-23,855.94-13,320.48

Finding the Fourth Proportional to 17,265.45, 23,855.94 and 13,320.48

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Solution

The fourth proportional to 17,265.45, 23,855.94 and 13,320.48 is: 18,405.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,265.45 : 23,855.94 = 13,320.48 : x
  2. Step 2: Convert to fraction form
    17,265.45/23,855.94 = 13,320.48/x
  3. Step 3: Cross multiply
    17,265.45x = 23,855.94 × 13,320.48
  4. Step 4: Simplify right side
    17,265.45x = 317,772,571.65
  5. Step 5: Solve for x
    x = 317,772,571.65/17,265.45
  6. Step 6: Final answer
    x = 18,405.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.