Home / 13,296.70-18,349.87-7,632.48

Finding the Fourth Proportional to 13,296.70, 18,349.87 and 7,632.48

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Solution

The fourth proportional to 13,296.70, 18,349.87 and 7,632.48 is: 10,533.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.70 : 18,349.87 = 7,632.48 : x
  2. Step 2: Convert to fraction form
    13,296.70/18,349.87 = 7,632.48/x
  3. Step 3: Cross multiply
    13,296.70x = 18,349.87 × 7,632.48
  4. Step 4: Simplify right side
    13,296.70x = 140,055,015.78
  5. Step 5: Solve for x
    x = 140,055,015.78/13,296.70
  6. Step 6: Final answer
    x = 10,533.07

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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.