Home / 13,536.48-20,304.63-3,675.72

Finding the Fourth Proportional to 13,536.48, 20,304.63 and 3,675.72

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Solution

The fourth proportional to 13,536.48, 20,304.63 and 3,675.72 is: 5,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.48 : 20,304.63 = 3,675.72 : x
  2. Step 2: Convert to fraction form
    13,536.48/20,304.63 = 3,675.72/x
  3. Step 3: Cross multiply
    13,536.48x = 20,304.63 × 3,675.72
  4. Step 4: Simplify right side
    13,536.48x = 74,634,134.58
  5. Step 5: Solve for x
    x = 74,634,134.58/13,536.48
  6. Step 6: Final answer
    x = 5,513.56

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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.