Home / 13,866.77-20,704.56-13,726.64

Finding the Fourth Proportional to 13,866.77, 20,704.56 and 13,726.64

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Solution

The fourth proportional to 13,866.77, 20,704.56 and 13,726.64 is: 20,495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.77 : 20,704.56 = 13,726.64 : x
  2. Step 2: Convert to fraction form
    13,866.77/20,704.56 = 13,726.64/x
  3. Step 3: Cross multiply
    13,866.77x = 20,704.56 × 13,726.64
  4. Step 4: Simplify right side
    13,866.77x = 284,204,041.48
  5. Step 5: Solve for x
    x = 284,204,041.48/13,866.77
  6. Step 6: Final answer
    x = 20,495.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.