Home / 13,236.04-18,265.89-7,267.60

Finding the Fourth Proportional to 13,236.04, 18,265.89 and 7,267.60

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Solution

The fourth proportional to 13,236.04, 18,265.89 and 7,267.60 is: 10,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.04 : 18,265.89 = 7,267.60 : x
  2. Step 2: Convert to fraction form
    13,236.04/18,265.89 = 7,267.60/x
  3. Step 3: Cross multiply
    13,236.04x = 18,265.89 × 7,267.60
  4. Step 4: Simplify right side
    13,236.04x = 132,749,182.16
  5. Step 5: Solve for x
    x = 132,749,182.16/13,236.04
  6. Step 6: Final answer
    x = 10,029.37

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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.