Home / 17,255.80-23,824.82-13,215.50

Finding the Fourth Proportional to 17,255.80, 23,824.82 and 13,215.50

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Solution

The fourth proportional to 17,255.80, 23,824.82 and 13,215.50 is: 18,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,255.80 : 23,824.82 = 13,215.50 : x
  2. Step 2: Convert to fraction form
    17,255.80/23,824.82 = 13,215.50/x
  3. Step 3: Cross multiply
    17,255.80x = 23,824.82 × 13,215.50
  4. Step 4: Simplify right side
    17,255.80x = 314,856,908.71
  5. Step 5: Solve for x
    x = 314,856,908.71/17,255.80
  6. Step 6: Final answer
    x = 18,246.44

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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.