Home / 20,576.52-28,395.54-11,623.58

Finding the Fourth Proportional to 20,576.52, 28,395.54 and 11,623.58

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Solution

The fourth proportional to 20,576.52, 28,395.54 and 11,623.58 is: 16,040.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,576.52 : 28,395.54 = 11,623.58 : x
  2. Step 2: Convert to fraction form
    20,576.52/28,395.54 = 11,623.58/x
  3. Step 3: Cross multiply
    20,576.52x = 28,395.54 × 11,623.58
  4. Step 4: Simplify right side
    20,576.52x = 330,057,830.83
  5. Step 5: Solve for x
    x = 330,057,830.83/20,576.52
  6. Step 6: Final answer
    x = 16,040.51

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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.