Home / 13,263.26-18,303.78-7,295.39

Finding the Fourth Proportional to 13,263.26, 18,303.78 and 7,295.39

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Solution

The fourth proportional to 13,263.26, 18,303.78 and 7,295.39 is: 10,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.26 : 18,303.78 = 7,295.39 : x
  2. Step 2: Convert to fraction form
    13,263.26/18,303.78 = 7,295.39/x
  3. Step 3: Cross multiply
    13,263.26x = 18,303.78 × 7,295.39
  4. Step 4: Simplify right side
    13,263.26x = 133,533,122.06
  5. Step 5: Solve for x
    x = 133,533,122.06/13,263.26
  6. Step 6: Final answer
    x = 10,067.90

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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.