Home / 13,184.88-18,178.60-10,343.44

Finding the Fourth Proportional to 13,184.88, 18,178.60 and 10,343.44

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Solution

The fourth proportional to 13,184.88, 18,178.60 and 10,343.44 is: 14,260.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.88 : 18,178.60 = 10,343.44 : x
  2. Step 2: Convert to fraction form
    13,184.88/18,178.60 = 10,343.44/x
  3. Step 3: Cross multiply
    13,184.88x = 18,178.60 × 10,343.44
  4. Step 4: Simplify right side
    13,184.88x = 188,029,258.38
  5. Step 5: Solve for x
    x = 188,029,258.38/13,184.88
  6. Step 6: Final answer
    x = 14,260.98

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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.