Home / 34,126.92-47,096.10-19,980.36

Finding the Fourth Proportional to 34,126.92, 47,096.10 and 19,980.36

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Solution

The fourth proportional to 34,126.92, 47,096.10 and 19,980.36 is: 27,573.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,126.92 : 47,096.10 = 19,980.36 : x
  2. Step 2: Convert to fraction form
    34,126.92/47,096.10 = 19,980.36/x
  3. Step 3: Cross multiply
    34,126.92x = 47,096.10 × 19,980.36
  4. Step 4: Simplify right side
    34,126.92x = 940,997,032.60
  5. Step 5: Solve for x
    x = 940,997,032.60/34,126.92
  6. Step 6: Final answer
    x = 27,573.45

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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.