Home / 13,255.50-18,292.27-7,205.59

Finding the Fourth Proportional to 13,255.50, 18,292.27 and 7,205.59

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Solution

The fourth proportional to 13,255.50, 18,292.27 and 7,205.59 is: 9,943.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.50 : 18,292.27 = 7,205.59 : x
  2. Step 2: Convert to fraction form
    13,255.50/18,292.27 = 7,205.59/x
  3. Step 3: Cross multiply
    13,255.50x = 18,292.27 × 7,205.59
  4. Step 4: Simplify right side
    13,255.50x = 131,806,597.79
  5. Step 5: Solve for x
    x = 131,806,597.79/13,255.50
  6. Step 6: Final answer
    x = 9,943.54

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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.