Home / 13,195.32-18,209.52-7,227.24

Finding the Fourth Proportional to 13,195.32, 18,209.52 and 7,227.24

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Solution

The fourth proportional to 13,195.32, 18,209.52 and 7,227.24 is: 9,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.32 : 18,209.52 = 7,227.24 : x
  2. Step 2: Convert to fraction form
    13,195.32/18,209.52 = 7,227.24/x
  3. Step 3: Cross multiply
    13,195.32x = 18,209.52 × 7,227.24
  4. Step 4: Simplify right side
    13,195.32x = 131,604,571.32
  5. Step 5: Solve for x
    x = 131,604,571.32/13,195.32
  6. Step 6: Final answer
    x = 9,973.58

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Half scale
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Double scale
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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.