Home / 13,175.94-18,182.80-7,433.46

Finding the Fourth Proportional to 13,175.94, 18,182.80 and 7,433.46

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Solution

The fourth proportional to 13,175.94, 18,182.80 and 7,433.46 is: 10,258.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.94 : 18,182.80 = 7,433.46 : x
  2. Step 2: Convert to fraction form
    13,175.94/18,182.80 = 7,433.46/x
  3. Step 3: Cross multiply
    13,175.94x = 18,182.80 × 7,433.46
  4. Step 4: Simplify right side
    13,175.94x = 135,161,116.49
  5. Step 5: Solve for x
    x = 135,161,116.49/13,175.94
  6. Step 6: Final answer
    x = 10,258.18

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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.