Home / 20,051.19-27,671.60-11,554.58

Finding the Fourth Proportional to 20,051.19, 27,671.60 and 11,554.58

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Solution

The fourth proportional to 20,051.19, 27,671.60 and 11,554.58 is: 15,945.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.19 : 27,671.60 = 11,554.58 : x
  2. Step 2: Convert to fraction form
    20,051.19/27,671.60 = 11,554.58/x
  3. Step 3: Cross multiply
    20,051.19x = 27,671.60 × 11,554.58
  4. Step 4: Simplify right side
    20,051.19x = 319,733,658.16
  5. Step 5: Solve for x
    x = 319,733,658.16/20,051.19
  6. Step 6: Final answer
    x = 15,945.87

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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.