Home / 13,048.45-18,013.52-8,273.23

Finding the Fourth Proportional to 13,048.45, 18,013.52 and 8,273.23

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Solution

The fourth proportional to 13,048.45, 18,013.52 and 8,273.23 is: 11,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048.45 : 18,013.52 = 8,273.23 : x
  2. Step 2: Convert to fraction form
    13,048.45/18,013.52 = 8,273.23/x
  3. Step 3: Cross multiply
    13,048.45x = 18,013.52 × 8,273.23
  4. Step 4: Simplify right side
    13,048.45x = 149,029,969.72
  5. Step 5: Solve for x
    x = 149,029,969.72/13,048.45
  6. Step 6: Final answer
    x = 11,421.28

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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.