Home / 18,071.63-27,098.35-7,538.92

Finding the Fourth Proportional to 18,071.63, 27,098.35 and 7,538.92

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Solution

The fourth proportional to 18,071.63, 27,098.35 and 7,538.92 is: 11,304.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,071.63 : 27,098.35 = 7,538.92 : x
  2. Step 2: Convert to fraction form
    18,071.63/27,098.35 = 7,538.92/x
  3. Step 3: Cross multiply
    18,071.63x = 27,098.35 × 7,538.92
  4. Step 4: Simplify right side
    18,071.63x = 204,292,406.32
  5. Step 5: Solve for x
    x = 204,292,406.32/18,071.63
  6. Step 6: Final answer
    x = 11,304.59

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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.