Home / 20,554.53-28,365.24-11,602.11

Finding the Fourth Proportional to 20,554.53, 28,365.24 and 11,602.11

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Solution

The fourth proportional to 20,554.53, 28,365.24 and 11,602.11 is: 16,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.53 : 28,365.24 = 11,602.11 : x
  2. Step 2: Convert to fraction form
    20,554.53/28,365.24 = 11,602.11/x
  3. Step 3: Cross multiply
    20,554.53x = 28,365.24 × 11,602.11
  4. Step 4: Simplify right side
    20,554.53x = 329,096,634.66
  5. Step 5: Solve for x
    x = 329,096,634.66/20,554.53
  6. Step 6: Final answer
    x = 16,010.91

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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.