Home / 36,680.64-55,012.36-11,722.92

Finding the Fourth Proportional to 36,680.64, 55,012.36 and 11,722.92

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Solution

The fourth proportional to 36,680.64, 55,012.36 and 11,722.92 is: 17,581.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,680.64 : 55,012.36 = 11,722.92 : x
  2. Step 2: Convert to fraction form
    36,680.64/55,012.36 = 11,722.92/x
  3. Step 3: Cross multiply
    36,680.64x = 55,012.36 × 11,722.92
  4. Step 4: Simplify right side
    36,680.64x = 644,905,495.29
  5. Step 5: Solve for x
    x = 644,905,495.29/36,680.64
  6. Step 6: Final answer
    x = 17,581.63

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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.