Home / 13,504.66-18,636.37-7,535.97

Finding the Fourth Proportional to 13,504.66, 18,636.37 and 7,535.97

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Solution

The fourth proportional to 13,504.66, 18,636.37 and 7,535.97 is: 10,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.66 : 18,636.37 = 7,535.97 : x
  2. Step 2: Convert to fraction form
    13,504.66/18,636.37 = 7,535.97/x
  3. Step 3: Cross multiply
    13,504.66x = 18,636.37 × 7,535.97
  4. Step 4: Simplify right side
    13,504.66x = 140,443,125.23
  5. Step 5: Solve for x
    x = 140,443,125.23/13,504.66
  6. Step 6: Final answer
    x = 10,399.60

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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.