Home / 12,343.04-18,501.60-9,414.80

Finding the Fourth Proportional to 12,343.04, 18,501.60 and 9,414.80

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Solution

The fourth proportional to 12,343.04, 18,501.60 and 9,414.80 is: 14,112.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.04 : 18,501.60 = 9,414.80 : x
  2. Step 2: Convert to fraction form
    12,343.04/18,501.60 = 9,414.80/x
  3. Step 3: Cross multiply
    12,343.04x = 18,501.60 × 9,414.80
  4. Step 4: Simplify right side
    12,343.04x = 174,188,863.68
  5. Step 5: Solve for x
    x = 174,188,863.68/12,343.04
  6. Step 6: Final answer
    x = 14,112.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.