Home / 13,801.28-20,701.92-5,036.32

Finding the Fourth Proportional to 13,801.28, 20,701.92 and 5,036.32

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Solution

The fourth proportional to 13,801.28, 20,701.92 and 5,036.32 is: 7,554.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.28 : 20,701.92 = 5,036.32 : x
  2. Step 2: Convert to fraction form
    13,801.28/20,701.92 = 5,036.32/x
  3. Step 3: Cross multiply
    13,801.28x = 20,701.92 × 5,036.32
  4. Step 4: Simplify right side
    13,801.28x = 104,261,493.73
  5. Step 5: Solve for x
    x = 104,261,493.73/13,801.28
  6. Step 6: Final answer
    x = 7,554.48

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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.