Home / 15,995.36-22,043.04-11,511.20

Finding the Fourth Proportional to 15,995.36, 22,043.04 and 11,511.20

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Solution

The fourth proportional to 15,995.36, 22,043.04 and 11,511.20 is: 15,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.36 : 22,043.04 = 11,511.20 : x
  2. Step 2: Convert to fraction form
    15,995.36/22,043.04 = 11,511.20/x
  3. Step 3: Cross multiply
    15,995.36x = 22,043.04 × 11,511.20
  4. Step 4: Simplify right side
    15,995.36x = 253,741,842.05
  5. Step 5: Solve for x
    x = 253,741,842.05/15,995.36
  6. Step 6: Final answer
    x = 15,863.47

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Half scale
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Double scale
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Similar ratio
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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.