Home / 55,440.05-83,160.68-15,997.50

Finding the Fourth Proportional to 55,440.05, 83,160.68 and 15,997.50

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Solution

The fourth proportional to 55,440.05, 83,160.68 and 15,997.50 is: 23,996.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,440.05 : 83,160.68 = 15,997.50 : x
  2. Step 2: Convert to fraction form
    55,440.05/83,160.68 = 15,997.50/x
  3. Step 3: Cross multiply
    55,440.05x = 83,160.68 × 15,997.50
  4. Step 4: Simplify right side
    55,440.05x = 1,330,362,898.31
  5. Step 5: Solve for x
    x = 1,330,362,898.31/55,440.05
  6. Step 6: Final answer
    x = 23,996.43

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.