Home / 18,322.08-27,464.64-7,224.48

Finding the Fourth Proportional to 18,322.08, 27,464.64 and 7,224.48

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Solution

The fourth proportional to 18,322.08, 27,464.64 and 7,224.48 is: 10,829.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322.08 : 27,464.64 = 7,224.48 : x
  2. Step 2: Convert to fraction form
    18,322.08/27,464.64 = 7,224.48/x
  3. Step 3: Cross multiply
    18,322.08x = 27,464.64 × 7,224.48
  4. Step 4: Simplify right side
    18,322.08x = 198,417,742.39
  5. Step 5: Solve for x
    x = 198,417,742.39/18,322.08
  6. Step 6: Final answer
    x = 10,829.43

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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.