Home / 19,623.30-27,079.60-11,126.22

Finding the Fourth Proportional to 19,623.30, 27,079.60 and 11,126.22

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Solution

The fourth proportional to 19,623.30, 27,079.60 and 11,126.22 is: 15,353.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.30 : 27,079.60 = 11,126.22 : x
  2. Step 2: Convert to fraction form
    19,623.30/27,079.60 = 11,126.22/x
  3. Step 3: Cross multiply
    19,623.30x = 27,079.60 × 11,126.22
  4. Step 4: Simplify right side
    19,623.30x = 301,293,587.11
  5. Step 5: Solve for x
    x = 301,293,587.11/19,623.30
  6. Step 6: Final answer
    x = 15,353.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.