Home / 27,059.27-37,340.41-15,120.28

Finding the Fourth Proportional to 27,059.27, 37,340.41 and 15,120.28

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Solution

The fourth proportional to 27,059.27, 37,340.41 and 15,120.28 is: 20,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,059.27 : 37,340.41 = 15,120.28 : x
  2. Step 2: Convert to fraction form
    27,059.27/37,340.41 = 15,120.28/x
  3. Step 3: Cross multiply
    27,059.27x = 37,340.41 × 15,120.28
  4. Step 4: Simplify right side
    27,059.27x = 564,597,192.21
  5. Step 5: Solve for x
    x = 564,597,192.21/27,059.27
  6. Step 6: Final answer
    x = 20,865.20

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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.