Home / 20,051.52-27,673.18-11,553.98

Finding the Fourth Proportional to 20,051.52, 27,673.18 and 11,553.98

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Solution

The fourth proportional to 20,051.52, 27,673.18 and 11,553.98 is: 15,945.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.52 : 27,673.18 = 11,553.98 : x
  2. Step 2: Convert to fraction form
    20,051.52/27,673.18 = 11,553.98/x
  3. Step 3: Cross multiply
    20,051.52x = 27,673.18 × 11,553.98
  4. Step 4: Simplify right side
    20,051.52x = 319,735,368.26
  5. Step 5: Solve for x
    x = 319,735,368.26/20,051.52
  6. Step 6: Final answer
    x = 15,945.69

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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.