Home / 13,584.09-18,747.96-7,535.69

Finding the Fourth Proportional to 13,584.09, 18,747.96 and 7,535.69

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Solution

The fourth proportional to 13,584.09, 18,747.96 and 7,535.69 is: 10,400.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.09 : 18,747.96 = 7,535.69 : x
  2. Step 2: Convert to fraction form
    13,584.09/18,747.96 = 7,535.69/x
  3. Step 3: Cross multiply
    13,584.09x = 18,747.96 × 7,535.69
  4. Step 4: Simplify right side
    13,584.09x = 141,278,720.95
  5. Step 5: Solve for x
    x = 141,278,720.95/13,584.09
  6. Step 6: Final answer
    x = 10,400.31

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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.