Home / 36,913.38-55,378.87-11,953.44

Finding the Fourth Proportional to 36,913.38, 55,378.87 and 11,953.44

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Solution

The fourth proportional to 36,913.38, 55,378.87 and 11,953.44 is: 17,933.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,913.38 : 55,378.87 = 11,953.44 : x
  2. Step 2: Convert to fraction form
    36,913.38/55,378.87 = 11,953.44/x
  3. Step 3: Cross multiply
    36,913.38x = 55,378.87 × 11,953.44
  4. Step 4: Simplify right side
    36,913.38x = 661,967,999.81
  5. Step 5: Solve for x
    x = 661,967,999.81/36,913.38
  6. Step 6: Final answer
    x = 17,933.01

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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.