Home / 13,296.59-18,349.20-7,328.26

Finding the Fourth Proportional to 13,296.59, 18,349.20 and 7,328.26

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Solution

The fourth proportional to 13,296.59, 18,349.20 and 7,328.26 is: 10,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.59 : 18,349.20 = 7,328.26 : x
  2. Step 2: Convert to fraction form
    13,296.59/18,349.20 = 7,328.26/x
  3. Step 3: Cross multiply
    13,296.59x = 18,349.20 × 7,328.26
  4. Step 4: Simplify right side
    13,296.59x = 134,467,708.39
  5. Step 5: Solve for x
    x = 134,467,708.39/13,296.59
  6. Step 6: Final answer
    x = 10,112.95

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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.