Home / 13,260.12-18,299.44-7,292.24

Finding the Fourth Proportional to 13,260.12, 18,299.44 and 7,292.24

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Solution

The fourth proportional to 13,260.12, 18,299.44 and 7,292.24 is: 10,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.12 : 18,299.44 = 7,292.24 : x
  2. Step 2: Convert to fraction form
    13,260.12/18,299.44 = 7,292.24/x
  3. Step 3: Cross multiply
    13,260.12x = 18,299.44 × 7,292.24
  4. Step 4: Simplify right side
    13,260.12x = 133,443,871.88
  5. Step 5: Solve for x
    x = 133,443,871.88/13,260.12
  6. Step 6: Final answer
    x = 10,063.55

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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.