Home / 13,260.26-18,299.23-7,292.31

Finding the Fourth Proportional to 13,260.26, 18,299.23 and 7,292.31

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Solution

The fourth proportional to 13,260.26, 18,299.23 and 7,292.31 is: 10,063.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.26 : 18,299.23 = 7,292.31 : x
  2. Step 2: Convert to fraction form
    13,260.26/18,299.23 = 7,292.31/x
  3. Step 3: Cross multiply
    13,260.26x = 18,299.23 × 7,292.31
  4. Step 4: Simplify right side
    13,260.26x = 133,443,657.92
  5. Step 5: Solve for x
    x = 133,443,657.92/13,260.26
  6. Step 6: Final answer
    x = 10,063.43

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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.