Home / 19,623.22-27,079.21-11,125.91

Finding the Fourth Proportional to 19,623.22, 27,079.21 and 11,125.91

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Solution

The fourth proportional to 19,623.22, 27,079.21 and 11,125.91 is: 15,353.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.22 : 27,079.21 = 11,125.91 : x
  2. Step 2: Convert to fraction form
    19,623.22/27,079.21 = 11,125.91/x
  3. Step 3: Cross multiply
    19,623.22x = 27,079.21 × 11,125.91
  4. Step 4: Simplify right side
    19,623.22x = 301,280,813.45
  5. Step 5: Solve for x
    x = 301,280,813.45/19,623.22
  6. Step 6: Final answer
    x = 15,353.29

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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.