Home / 13,635.51-20,452.67-4,275.32

Finding the Fourth Proportional to 13,635.51, 20,452.67 and 4,275.32

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Solution

The fourth proportional to 13,635.51, 20,452.67 and 4,275.32 is: 6,412.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.51 : 20,452.67 = 4,275.32 : x
  2. Step 2: Convert to fraction form
    13,635.51/20,452.67 = 4,275.32/x
  3. Step 3: Cross multiply
    13,635.51x = 20,452.67 × 4,275.32
  4. Step 4: Simplify right side
    13,635.51x = 87,441,585.46
  5. Step 5: Solve for x
    x = 87,441,585.46/13,635.51
  6. Step 6: Final answer
    x = 6,412.78

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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.