Home / 13,584.88-18,747.34-7,535.08

Finding the Fourth Proportional to 13,584.88, 18,747.34 and 7,535.08

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Solution

The fourth proportional to 13,584.88, 18,747.34 and 7,535.08 is: 10,398.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.88 : 18,747.34 = 7,535.08 : x
  2. Step 2: Convert to fraction form
    13,584.88/18,747.34 = 7,535.08/x
  3. Step 3: Cross multiply
    13,584.88x = 18,747.34 × 7,535.08
  4. Step 4: Simplify right side
    13,584.88x = 141,262,706.69
  5. Step 5: Solve for x
    x = 141,262,706.69/13,584.88
  6. Step 6: Final answer
    x = 10,398.52

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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.