Home / 18,767.22-28,150.26-4,727.22

Finding the Fourth Proportional to 18,767.22, 28,150.26 and 4,727.22

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Solution

The fourth proportional to 18,767.22, 28,150.26 and 4,727.22 is: 7,090.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.22 : 28,150.26 = 4,727.22 : x
  2. Step 2: Convert to fraction form
    18,767.22/28,150.26 = 4,727.22/x
  3. Step 3: Cross multiply
    18,767.22x = 28,150.26 × 4,727.22
  4. Step 4: Simplify right side
    18,767.22x = 133,072,472.08
  5. Step 5: Solve for x
    x = 133,072,472.08/18,767.22
  6. Step 6: Final answer
    x = 7,090.69

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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.