Home / 13,292.60-18,344.82-7,325.34

Finding the Fourth Proportional to 13,292.60, 18,344.82 and 7,325.34

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Solution

The fourth proportional to 13,292.60, 18,344.82 and 7,325.34 is: 10,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.60 : 18,344.82 = 7,325.34 : x
  2. Step 2: Convert to fraction form
    13,292.60/18,344.82 = 7,325.34/x
  3. Step 3: Cross multiply
    13,292.60x = 18,344.82 × 7,325.34
  4. Step 4: Simplify right side
    13,292.60x = 134,382,043.74
  5. Step 5: Solve for x
    x = 134,382,043.74/13,292.60
  6. Step 6: Final answer
    x = 10,109.54

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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.