Home / 13,635.90-18,814.10-10,452.38

Finding the Fourth Proportional to 13,635.90, 18,814.10 and 10,452.38

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Solution

The fourth proportional to 13,635.90, 18,814.10 and 10,452.38 is: 14,421.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.90 : 18,814.10 = 10,452.38 : x
  2. Step 2: Convert to fraction form
    13,635.90/18,814.10 = 10,452.38/x
  3. Step 3: Cross multiply
    13,635.90x = 18,814.10 × 10,452.38
  4. Step 4: Simplify right side
    13,635.90x = 196,651,976.23
  5. Step 5: Solve for x
    x = 196,651,976.23/13,635.90
  6. Step 6: Final answer
    x = 14,421.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.