Home / 18,036.12-27,031.08-7,633.56

Finding the Fourth Proportional to 18,036.12, 27,031.08 and 7,633.56

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Solution

The fourth proportional to 18,036.12, 27,031.08 and 7,633.56 is: 11,440.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036.12 : 27,031.08 = 7,633.56 : x
  2. Step 2: Convert to fraction form
    18,036.12/27,031.08 = 7,633.56/x
  3. Step 3: Cross multiply
    18,036.12x = 27,031.08 × 7,633.56
  4. Step 4: Simplify right side
    18,036.12x = 206,343,371.04
  5. Step 5: Solve for x
    x = 206,343,371.04/18,036.12
  6. Step 6: Final answer
    x = 11,440.56

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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.