Home / 20,169.83-27,835.03-11,095.56

Finding the Fourth Proportional to 20,169.83, 27,835.03 and 11,095.56

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Solution

The fourth proportional to 20,169.83, 27,835.03 and 11,095.56 is: 15,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169.83 : 27,835.03 = 11,095.56 : x
  2. Step 2: Convert to fraction form
    20,169.83/27,835.03 = 11,095.56/x
  3. Step 3: Cross multiply
    20,169.83x = 27,835.03 × 11,095.56
  4. Step 4: Simplify right side
    20,169.83x = 308,845,363.72
  5. Step 5: Solve for x
    x = 308,845,363.72/20,169.83
  6. Step 6: Final answer
    x = 15,312.25

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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.