Home / 13,282.45-18,329.75-7,232.59

Finding the Fourth Proportional to 13,282.45, 18,329.75 and 7,232.59

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Solution

The fourth proportional to 13,282.45, 18,329.75 and 7,232.59 is: 9,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.45 : 18,329.75 = 7,232.59 : x
  2. Step 2: Convert to fraction form
    13,282.45/18,329.75 = 7,232.59/x
  3. Step 3: Cross multiply
    13,282.45x = 18,329.75 × 7,232.59
  4. Step 4: Simplify right side
    13,282.45x = 132,571,608.92
  5. Step 5: Solve for x
    x = 132,571,608.92/13,282.45
  6. Step 6: Final answer
    x = 9,980.96

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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.