Home / 13,367.26-18,448.86-8,332.30

Finding the Fourth Proportional to 13,367.26, 18,448.86 and 8,332.30

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Solution

The fourth proportional to 13,367.26, 18,448.86 and 8,332.30 is: 11,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.26 : 18,448.86 = 8,332.30 : x
  2. Step 2: Convert to fraction form
    13,367.26/18,448.86 = 8,332.30/x
  3. Step 3: Cross multiply
    13,367.26x = 18,448.86 × 8,332.30
  4. Step 4: Simplify right side
    13,367.26x = 153,721,436.18
  5. Step 5: Solve for x
    x = 153,721,436.18/13,367.26
  6. Step 6: Final answer
    x = 11,499.85

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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.