Home / 13,293.71-18,344.66-7,325.25

Finding the Fourth Proportional to 13,293.71, 18,344.66 and 7,325.25

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Solution

The fourth proportional to 13,293.71, 18,344.66 and 7,325.25 is: 10,108.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.71 : 18,344.66 = 7,325.25 : x
  2. Step 2: Convert to fraction form
    13,293.71/18,344.66 = 7,325.25/x
  3. Step 3: Cross multiply
    13,293.71x = 18,344.66 × 7,325.25
  4. Step 4: Simplify right side
    13,293.71x = 134,379,282.88
  5. Step 5: Solve for x
    x = 134,379,282.88/13,293.71
  6. Step 6: Final answer
    x = 10,108.48

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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.