Home / 13,504.56-18,636.29-7,536.26

Finding the Fourth Proportional to 13,504.56, 18,636.29 and 7,536.26

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Solution

The fourth proportional to 13,504.56, 18,636.29 and 7,536.26 is: 10,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.56 : 18,636.29 = 7,536.26 : x
  2. Step 2: Convert to fraction form
    13,504.56/18,636.29 = 7,536.26/x
  3. Step 3: Cross multiply
    13,504.56x = 18,636.29 × 7,536.26
  4. Step 4: Simplify right side
    13,504.56x = 140,447,964.05
  5. Step 5: Solve for x
    x = 140,447,964.05/13,504.56
  6. Step 6: Final answer
    x = 10,400.04

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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.