Home / 36,621.57-54,931.57-11,663.34

Finding the Fourth Proportional to 36,621.57, 54,931.57 and 11,663.34

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Solution

The fourth proportional to 36,621.57, 54,931.57 and 11,663.34 is: 17,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,621.57 : 54,931.57 = 11,663.34 : x
  2. Step 2: Convert to fraction form
    36,621.57/54,931.57 = 11,663.34/x
  3. Step 3: Cross multiply
    36,621.57x = 54,931.57 × 11,663.34
  4. Step 4: Simplify right side
    36,621.57x = 640,685,577.64
  5. Step 5: Solve for x
    x = 640,685,577.64/36,621.57
  6. Step 6: Final answer
    x = 17,494.76

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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.