Home / 13,236.36-18,266.84-7,267.96

Finding the Fourth Proportional to 13,236.36, 18,266.84 and 7,267.96

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Solution

The fourth proportional to 13,236.36, 18,266.84 and 7,267.96 is: 10,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.36 : 18,266.84 = 7,267.96 : x
  2. Step 2: Convert to fraction form
    13,236.36/18,266.84 = 7,267.96/x
  3. Step 3: Cross multiply
    13,236.36x = 18,266.84 × 7,267.96
  4. Step 4: Simplify right side
    13,236.36x = 132,762,662.45
  5. Step 5: Solve for x
    x = 132,762,662.45/13,236.36
  6. Step 6: Final answer
    x = 10,030.15

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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.