Home / 18,165.03-27,258.06-7,634.22

Finding the Fourth Proportional to 18,165.03, 27,258.06 and 7,634.22

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Solution

The fourth proportional to 18,165.03, 27,258.06 and 7,634.22 is: 11,455.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165.03 : 27,258.06 = 7,634.22 : x
  2. Step 2: Convert to fraction form
    18,165.03/27,258.06 = 7,634.22/x
  3. Step 3: Cross multiply
    18,165.03x = 27,258.06 × 7,634.22
  4. Step 4: Simplify right side
    18,165.03x = 208,094,026.81
  5. Step 5: Solve for x
    x = 208,094,026.81/18,165.03
  6. Step 6: Final answer
    x = 11,455.75

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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.