Home / 13,866.09-20,801.17-5,100.33

Finding the Fourth Proportional to 13,866.09, 20,801.17 and 5,100.33

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Solution

The fourth proportional to 13,866.09, 20,801.17 and 5,100.33 is: 7,651.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.09 : 20,801.17 = 5,100.33 : x
  2. Step 2: Convert to fraction form
    13,866.09/20,801.17 = 5,100.33/x
  3. Step 3: Cross multiply
    13,866.09x = 20,801.17 × 5,100.33
  4. Step 4: Simplify right side
    13,866.09x = 106,092,915.77
  5. Step 5: Solve for x
    x = 106,092,915.77/13,866.09
  6. Step 6: Final answer
    x = 7,651.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.