Home / 20,051.60-27,672.03-11,098.94

Finding the Fourth Proportional to 20,051.60, 27,672.03 and 11,098.94

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Solution

The fourth proportional to 20,051.60, 27,672.03 and 11,098.94 is: 15,316.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.60 : 27,672.03 = 11,098.94 : x
  2. Step 2: Convert to fraction form
    20,051.60/27,672.03 = 11,098.94/x
  3. Step 3: Cross multiply
    20,051.60x = 27,672.03 × 11,098.94
  4. Step 4: Simplify right side
    20,051.60x = 307,130,062.29
  5. Step 5: Solve for x
    x = 307,130,062.29/20,051.60
  6. Step 6: Final answer
    x = 15,316.99

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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.