Home / 20,293.04-27,999.59-11,790.11

Finding the Fourth Proportional to 20,293.04, 27,999.59 and 11,790.11

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Solution

The fourth proportional to 20,293.04, 27,999.59 and 11,790.11 is: 16,267.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.04 : 27,999.59 = 11,790.11 : x
  2. Step 2: Convert to fraction form
    20,293.04/27,999.59 = 11,790.11/x
  3. Step 3: Cross multiply
    20,293.04x = 27,999.59 × 11,790.11
  4. Step 4: Simplify right side
    20,293.04x = 330,118,246.05
  5. Step 5: Solve for x
    x = 330,118,246.05/20,293.04
  6. Step 6: Final answer
    x = 16,267.56

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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.